155495656 has 16 divisors (see below), whose sum is σ = 294561540. Its totient is φ = 76945920.

The previous prime is 155495653. The next prime is 155495699. The reversal of 155495656 is 656594551.

It can be written as a sum of positive squares in 2 ways, for example, as 138438756 + 17056900 = 11766^2 + 4130^2 .

It is not an unprimeable number, because it can be changed into a prime (155495653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99415 + ... + 100966.

Almost surely, 2^155495656 is an apocalyptic number.

It is an amenable number.

155495656 is a deficient number, since it is larger than the sum of its proper divisors (139065884).

155495656 is a wasteful number, since it uses less digits than its factorization.

155495656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200484 (or 200480 counting only the distinct ones).

The product of its digits is 810000, while the sum is 46.

The square root of 155495656 is about 12469.7897335921. The cubic root of 155495656 is about 537.7405086275.

The spelling of 155495656 in words is "one hundred fifty-five million, four hundred ninety-five thousand, six hundred fifty-six".