2162857064 has 16 divisors (see below), whose sum is σ = 4091246820. Its totient is φ = 1071857920.

The previous prime is 2162857013. The next prime is 2162857087. The reversal of 2162857064 is 4607582612.

It can be written as a sum of positive squares in 2 ways, for example, as 1775948164 + 386908900 = 42142^2 + 19670^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1195367 + ... + 1197174.

Almost surely, 2^2162857064 is an apocalyptic number.

It is an amenable number.

2162857064 is a deficient number, since it is larger than the sum of its proper divisors (1928389756).

2162857064 is a wasteful number, since it uses less digits than its factorization.

2162857064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392660 (or 2392656 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 2162857064 is about 46506.5271117937. The cubic root of 2162857064 is about 1293.2305034504.

The spelling of 2162857064 in words is "two billion, one hundred sixty-two million, eight hundred fifty-seven thousand, sixty-four".