166277992 has 16 divisors (see below), whose sum is σ = 313389540. Its totient is φ = 82707456.

The previous prime is 166277977. The next prime is 166277999. The reversal of 166277992 is 299772661.

166277992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 165225316 + 1052676 = 12854^2 + 1026^2 .

It is not an unprimeable number, because it can be changed into a prime (166277999) 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, 52303 + ... + 55390.

Almost surely, 2^166277992 is an apocalyptic number.

It is an amenable number.

166277992 is a deficient number, since it is larger than the sum of its proper divisors (147111548).

166277992 is a wasteful number, since it uses less digits than its factorization.

166277992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107892 (or 107888 counting only the distinct ones).

The product of its digits is 571536, while the sum is 49.

The square root of 166277992 is about 12894.8823957413. The cubic root of 166277992 is about 549.8930833496.

The spelling of 166277992 in words is "one hundred sixty-six million, two hundred seventy-seven thousand, nine hundred ninety-two".