155926656 has 48 divisors (see below), whose sum is σ = 448698510. Its totient is φ = 51975168.

The previous prime is 155926633. The next prime is 155926681. The reversal of 155926656 is 656629551.

155926656 is a `hidden beast` number, since 1 + 5 + 592 + 6 + 6 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 121352256 + 34574400 = 11016^2 + 5880^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66525 + ... + 68828.

Almost surely, 2^155926656 is an apocalyptic number.

155926656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155926656 is an abundant number, since it is smaller than the sum of its proper divisors (292771854).

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

155926656 is a wasteful number, since it uses less digits than its factorization.

155926656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135373 (or 135358 counting only the distinct ones).

The product of its digits is 486000, while the sum is 45.

The square root of 155926656 is about 12487.0595417816. The cubic root of 155926656 is about 538.2368833800.

The spelling of 155926656 in words is "one hundred fifty-five million, nine hundred twenty-six thousand, six hundred fifty-six".