3199387664 has 40 divisors (see below), whose sum is σ = 6838356960. Its totient is φ = 1437920000.

The previous prime is 3199387663. The next prime is 3199387673. The reversal of 3199387664 is 4667839913.

It is not an unprimeable number, because it can be changed into a prime (3199387663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86462 + ... + 117789.

It is an arithmetic number, because the mean of its divisors is an integer number (170958924).

Almost surely, 2^3199387664 is an apocalyptic number.

It is an amenable number.

3199387664 is an abundant number, since it is smaller than the sum of its proper divisors (3638969296).

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

3199387664 is a wasteful number, since it uses less digits than its factorization.

3199387664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204359 (or 204353 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 56.

The square root of 3199387664 is about 56563.1298992550. The cubic root of 3199387664 is about 1473.5185990804.

The spelling of 3199387664 in words is "three billion, one hundred ninety-nine million, three hundred eighty-seven thousand, six hundred sixty-four".