3216536556 has 48 divisors (see below), whose sum is σ = 7678540800. Its totient is φ = 1047504640.

The previous prime is 3216536507. The next prime is 3216536569. The reversal of 3216536556 is 6556356123.

It is a super-2 number, since 2×3216536556² = 20692214832168682272, which contains 22 as substring.

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, 333076 + ... + 342596.

It is an arithmetic number, because the mean of its divisors is an integer number (159969600).

Almost surely, 2^3216536556 is an apocalyptic number.

It is an amenable number.

3216536556 is an abundant number, since it is smaller than the sum of its proper divisors (4462004244).

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

3216536556 is a wasteful number, since it uses less digits than its factorization.

3216536556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10174 (or 10172 counting only the distinct ones).

The product of its digits is 486000, while the sum is 42.

The square root of 3216536556 is about 56714.5180355083. The cubic root of 3216536556 is about 1476.1466225037.

The spelling of 3216536556 in words is "three billion, two hundred sixteen million, five hundred thirty-six thousand, five hundred fifty-six".