3815662816 has 24 divisors (see below), whose sum is σ = 8585241840. Its totient is φ = 1635283968.

The previous prime is 3815662813. The next prime is 3815662831. The reversal of 3815662816 is 6182665183.

3815662816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3815662813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8516881 + ... + 8517328.

It is an arithmetic number, because the mean of its divisors is an integer number (357718410).

Almost surely, 2^3815662816 is an apocalyptic number.

It is an amenable number.

3815662816 is an abundant number, since it is smaller than the sum of its proper divisors (4769579024).

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

3815662816 is a wasteful number, since it uses less digits than its factorization.

3815662816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17034226 (or 17034218 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 3815662816 is about 61771.0516018628. The cubic root of 3815662816 is about 1562.6318186901.

The spelling of 3815662816 in words is "three billion, eight hundred fifteen million, six hundred sixty-two thousand, eight hundred sixteen".