166767472 has 10 divisors (see below), whose sum is σ = 323112008. Its totient is φ = 83383728.

The previous prime is 166767451. The next prime is 166767481. The reversal of 166767472 is 274767661.

166767472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×166767472² = 55622779434541568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5211468 + ... + 5211499.

Almost surely, 2^166767472 is an apocalyptic number.

It is an amenable number.

166767472 is a deficient number, since it is larger than the sum of its proper divisors (156344536).

166767472 is a wasteful number, since it uses less digits than its factorization.

166767472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10422975 (or 10422969 counting only the distinct ones).

The product of its digits is 592704, while the sum is 46.

The square root of 166767472 is about 12913.8480709663. The cubic root of 166767472 is about 550.4321364134.

The spelling of 166767472 in words is "one hundred sixty-six million, seven hundred sixty-seven thousand, four hundred seventy-two".