3656232612 has 72 divisors (see below), whose sum is σ = 9471798336. Its totient is φ = 1188817344.

The previous prime is 3656232599. The next prime is 3656232617. The reversal of 3656232612 is 2162326563.

3656232612 is a `hidden beast` number, since 3 + 6 + 5 + 6 + 2 + 32 + 612 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3656232617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241078 + ... + 255794.

Almost surely, 2^3656232612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3656232612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4735899168).

3656232612 is an abundant number, since it is smaller than the sum of its proper divisors (5815565724).

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

3656232612 is a wasteful number, since it uses less digits than its factorization.

3656232612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14897 (or 14892 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 3656232612 is about 60466.7893310038. The cubic root of 3656232612 is about 1540.5575947902.

The spelling of 3656232612 in words is "three billion, six hundred fifty-six million, two hundred thirty-two thousand, six hundred twelve".