513161626455 has 16 divisors (see below), whose sum is σ = 912287336160. Its totient is φ = 273686200704.

The previous prime is 513161626447. The next prime is 513161626609. The reversal of 513161626455 is 554626161315.

513161626455 is a `hidden beast` number, since 5 + 1 + 3 + 1 + 616 + 26 + 4 + 5 + 5 = 666.

It is not a de Polignac number, because 513161626455 - 2³ = 513161626447 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).

It is a self number, because there is not a number n which added to its sum of digits gives 513161626455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1900598482 + ... + 1900598751.

It is an arithmetic number, because the mean of its divisors is an integer number (57017958510).

Almost surely, 2^513161626455 is an apocalyptic number.

513161626455 is a deficient number, since it is larger than the sum of its proper divisors (399125709705).

513161626455 is a wasteful number, since it uses less digits than its factorization.

513161626455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3801197247 (or 3801197241 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The spelling of 513161626455 in words is "five hundred thirteen billion, one hundred sixty-one million, six hundred twenty-six thousand, four hundred fifty-five".