155504516160 has 448 divisors, whose sum is σ = 623437627392. Its totient is φ = 31998050304.

The previous prime is 155504516159. The next prime is 155504516207. The reversal of 155504516160 is 61615405551.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×155504516160² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2597929 + ... + 2657111.

Almost surely, 2^155504516160 is an apocalyptic number.

155504516160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155504516160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311718813696).

155504516160 is an abundant number, since it is smaller than the sum of its proper divisors (467933111232).

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

155504516160 is a wasteful number, since it uses less digits than its factorization.

155504516160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59250 (or 59240 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 39.

The spelling of 155504516160 in words is "one hundred fifty-five billion, five hundred four million, five hundred sixteen thousand, one hundred sixty".