3815668652 has 48 divisors (see below), whose sum is σ = 6864782400. Its totient is φ = 1855257600.

The previous prime is 3815668621. The next prime is 3815668657. The reversal of 3815668652 is 2568665183.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3815668652.

It is not an unprimeable number, because it can be changed into a prime (3815668657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10932974 + ... + 10933322.

It is an arithmetic number, because the mean of its divisors is an integer number (143016300).

Almost surely, 2^3815668652 is an apocalyptic number.

It is an amenable number.

3815668652 is a deficient number, since it is larger than the sum of its proper divisors (3049113748).

3815668652 is a wasteful number, since it uses less digits than its factorization.

3815668652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842 (or 840 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 50.

The square root of 3815668652 is about 61771.0988408009. The cubic root of 3815668652 is about 1562.6326153638.

The spelling of 3815668652 in words is "three billion, eight hundred fifteen million, six hundred sixty-eight thousand, six hundred fifty-two".