155662656 has 56 divisors (see below), whose sum is σ = 425159424. Its totient is φ = 50211840.

The previous prime is 155662651. The next prime is 155662657. The reversal of 155662656 is 656266551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155662651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7125 + ... + 19028.

Almost surely, 2^155662656 is an apocalyptic number.

155662656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155662656 is an abundant number, since it is smaller than the sum of its proper divisors (269496768).

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

155662656 is a wasteful number, since it uses less digits than its factorization.

155662656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26199 (or 26189 counting only the distinct ones).

The product of its digits is 324000, while the sum is 42.

The square root of 155662656 is about 12476.4841201358. The cubic root of 155662656 is about 537.9329481625.

The spelling of 155662656 in words is "one hundred fifty-five million, six hundred sixty-two thousand, six hundred fifty-six".