3655507656 has 32 divisors (see below), whose sum is σ = 9142496640. Its totient is φ = 1218005568.

The previous prime is 3655507649. The next prime is 3655507697. The reversal of 3655507656 is 6567055563.

It is a super-2 number, since 2×3655507656² = 26725472446149228672, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31585 + ... + 91151.

It is an arithmetic number, because the mean of its divisors is an integer number (285703020).

Almost surely, 2^3655507656 is an apocalyptic number.

It is an amenable number.

3655507656 is an abundant number, since it is smaller than the sum of its proper divisors (5486988984).

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

3655507656 is a wasteful number, since it uses less digits than its factorization.

3655507656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62133 (or 62129 counting only the distinct ones).

The product of its (nonzero) digits is 2835000, while the sum is 48.

The square root of 3655507656 is about 60460.7943712287. The cubic root of 3655507656 is about 1540.4557677263.

The spelling of 3655507656 in words is "three billion, six hundred fifty-five million, five hundred seven thousand, six hundred fifty-six".