3664926636 has 96 divisors (see below), whose sum is σ = 10098536448. Its totient is φ = 1012737600.

The previous prime is 3664926613. The next prime is 3664926647. The reversal of 3664926636 is 6366294663.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367111 + ... + 376961.

It is an arithmetic number, because the mean of its divisors is an integer number (105193088).

Almost surely, 2^3664926636 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 3664926636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5049268224).

3664926636 is an abundant number, since it is smaller than the sum of its proper divisors (6433609812).

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

3664926636 is a wasteful number, since it uses less digits than its factorization.

3664926636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10011 (or 10009 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 51.

The square root of 3664926636 is about 60538.6375466115. The cubic root of 3664926636 is about 1541.7777070420. Note that the first 4 decimals are identical.

The spelling of 3664926636 in words is "three billion, six hundred sixty-four million, nine hundred twenty-six thousand, six hundred thirty-six".