166176272 has 10 divisors (see below), whose sum is σ = 321966558. Its totient is φ = 83088128.

The previous prime is 166176259. The next prime is 166176289. The reversal of 166176272 is 272671661.

It can be written as a sum of positive squares in only one way, i.e., 110166016 + 56010256 = 10496^2 + 7484^2 .

It is a super-2 number, since 2×166176272² = 55229106751635968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5192993 + ... + 5193024.

Almost surely, 2^166176272 is an apocalyptic number.

It is an amenable number.

166176272 is a deficient number, since it is larger than the sum of its proper divisors (155790286).

166176272 is a wasteful number, since it uses less digits than its factorization.

166176272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10386025 (or 10386019 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 166176272 is about 12890.9375919675. The cubic root of 166176272 is about 549.7809287310.

The spelling of 166176272 in words is "one hundred sixty-six million, one hundred seventy-six thousand, two hundred seventy-two".