3686372816 has 40 divisors (see below), whose sum is σ = 8444161920. Its totient is φ = 1525394304.

The previous prime is 3686372773. The next prime is 3686372821. The reversal of 3686372816 is 6182736863.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564236 + ... + 570731.

It is an arithmetic number, because the mean of its divisors is an integer number (211104048).

Almost surely, 2^3686372816 is an apocalyptic number.

It is an amenable number.

3686372816 is an abundant number, since it is smaller than the sum of its proper divisors (4757789104).

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

3686372816 is a wasteful number, since it uses less digits than its factorization.

3686372816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135011 (or 1135005 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 50.

The square root of 3686372816 is about 60715.5072119142. The cubic root of 3686372816 is about 1544.7792182151.

The spelling of 3686372816 in words is "three billion, six hundred eighty-six million, three hundred seventy-two thousand, eight hundred sixteen".