3662799912 has 40 divisors (see below), whose sum is σ = 10259233050. Its totient is φ = 1220933088.

The previous prime is 3662799871. The next prime is 3662799919. The reversal of 3662799912 is 2199972663.

3662799912 is a `hidden beast` number, since 3 + 6 + 627 + 9 + 9 + 9 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2655753156 + 1007046756 = 51534^2 + 31734^2 .

It is a super-2 number, since 2×3662799912² = 26832206390694415488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (3662799919) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2825587 + ... + 2826882.

Almost surely, 2^3662799912 is an apocalyptic number.

It is an amenable number.

3662799912 is an abundant number, since it is smaller than the sum of its proper divisors (6596433138).

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

3662799912 is a wasteful number, since it uses less digits than its factorization.

3662799912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5652487 (or 5652474 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 54.

The square root of 3662799912 is about 60521.0699839320. The cubic root of 3662799912 is about 1541.4794227535.

The spelling of 3662799912 in words is "three billion, six hundred sixty-two million, seven hundred ninety-nine thousand, nine hundred twelve".