155987160 has 64 divisors (see below), whose sum is σ = 534816000. Its totient is φ = 35654016.

The previous prime is 155987149. The next prime is 155987177. The reversal of 155987160 is 61789551.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 92010 + ... + 93689.

It is an arithmetic number, because the mean of its divisors is an integer number (8356500).

Almost surely, 2^155987160 is an apocalyptic number.

155987160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155987160 is an abundant number, since it is smaller than the sum of its proper divisors (378828840).

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

155987160 is a wasteful number, since it uses less digits than its factorization.

155987160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185720 (or 185716 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 42.

The square root of 155987160 is about 12489.4819748459. The cubic root of 155987160 is about 538.3064914766.

The spelling of 155987160 in words is "one hundred fifty-five million, nine hundred eighty-seven thousand, one hundred sixty".