2166740932 has 24 divisors (see below), whose sum is σ = 3882174912. Its totient is φ = 1057576800.

The previous prime is 2166740897. The next prime is 2166740951. The reversal of 2166740932 is 2390476612.

It is a happy 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, 552057 + ... + 555967.

It is an arithmetic number, because the mean of its divisors is an integer number (161757288).

Almost surely, 2^2166740932 is an apocalyptic number.

It is an amenable number.

2166740932 is a deficient number, since it is larger than the sum of its proper divisors (1715433980).

2166740932 is a wasteful number, since it uses less digits than its factorization.

2166740932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7179 (or 7177 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 2166740932 is about 46548.2645433748. The cubic root of 2166740932 is about 1294.0041303328.

The spelling of 2166740932 in words is "two billion, one hundred sixty-six million, seven hundred forty thousand, nine hundred thirty-two".