166267072 has 28 divisors (see below), whose sum is σ = 349346520. Its totient is φ = 78242816.

The previous prime is 166267039. The next prime is 166267091. The reversal of 166267072 is 270762661.

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, 75322 + ... + 77497.

Almost surely, 2^166267072 is an apocalyptic number.

It is an amenable number.

166267072 is an abundant number, since it is smaller than the sum of its proper divisors (183079448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166267072 is a wasteful number, since it uses less digits than its factorization.

166267072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152848 (or 152838 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 166267072 is about 12894.4589649973. The cubic root of 166267072 is about 549.8810453486.

The spelling of 166267072 in words is "one hundred sixty-six million, two hundred sixty-seven thousand, seventy-two".