154980555128568 has 96 divisors (see below), whose sum is σ = 452037523523040. Its totient is φ = 47685174301440.

The previous prime is 154980555128557. The next prime is 154980555128599. The reversal of 154980555128568 is 865821555089451.

154980555128568 is a `hidden beast` number, since 1 + 5 + 4 + 9 + 8 + 0 + 5 + 5 + 51 + 2 + 8 + 568 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 154980555128496 and 154980555128505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37235653 + ... + 41188043.

It is an arithmetic number, because the mean of its divisors is an integer number (4708724203365).

Almost surely, 2^{154980555128568} is an apocalyptic number.

154980555128568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

154980555128568 is an abundant number, since it is smaller than the sum of its proper divisors (297056968394472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154980555128568 is a wasteful number, since it uses less digits than its factorization.

154980555128568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3994309 (or 3994302 counting only the distinct ones).

The product of its (nonzero) digits is 691200000, while the sum is 72.

The spelling of 154980555128568 in words is "one hundred fifty-four trillion, nine hundred eighty billion, five hundred fifty-five million, one hundred twenty-eight thousand, five hundred sixty-eight".