2166364052 has 24 divisors (see below), whose sum is σ = 3808953120. Its totient is φ = 1078103520.

The previous prime is 2166364033. The next prime is 2166364069. The reversal of 2166364052 is 2504636612.

It is a happy number.

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, 1484099 + ... + 1485557.

It is an arithmetic number, because the mean of its divisors is an integer number (158706380).

Almost surely, 2^2166364052 is an apocalyptic number.

It is an amenable number.

2166364052 is a deficient number, since it is larger than the sum of its proper divisors (1642589068).

2166364052 is a wasteful number, since it uses less digits than its factorization.

2166364052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951 (or 2949 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 2166364052 is about 46544.2160960951. The cubic root of 2166364052 is about 1293.9291002038.

The spelling of 2166364052 in words is "two billion, one hundred sixty-six million, three hundred sixty-four thousand, fifty-two".