151020166054545 has 12 divisors (see below), whose sum is σ = 261768287827956. Its totient is φ = 80544088562400.

The previous prime is 151020166054523. The next prime is 151020166054579. The reversal of 151020166054545 is 545450661020151.

151020166054545 is a `hidden beast` number, since 1 + 5 + 1 + 0 + 2 + 0 + 1 + 6 + 60 + 545 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 48747639766401 + 102272526288144 = 6981951^2 + 10112988^2 .

It is not a de Polignac number, because 151020166054545 - 2⁶ = 151020166054481 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 3356003690101 = 151020166054545 / (1 + 5 + 1 + 0 + 2 + 0 + 1 + 6 + 6 + 0 + 5 + 4 + 5 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 151020166054545.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1678001845006 + ... + 1678001845095.

It is an arithmetic number, because the mean of its divisors is an integer number (21814023985663).

Almost surely, 2^{151020166054545} is an apocalyptic number.

151020166054545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

151020166054545 is a deficient number, since it is larger than the sum of its proper divisors (110748121773411).

151020166054545 is a wasteful number, since it uses less digits than its factorization.

151020166054545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3356003690112 (or 3356003690109 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 45.

The spelling of 151020166054545 in words is "one hundred fifty-one trillion, twenty billion, one hundred sixty-six million, fifty-four thousand, five hundred forty-five".