166976 has 14 divisors (see below), whose sum is σ = 331470. Its totient is φ = 83456.

The previous prime is 166973. The next prime is 166979. The reversal of 166976 is 679661.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (166973) and next prime (166979).

It can be written as a sum of positive squares in only one way, i.e., 141376 + 25600 = 376^2 + 160^2 .

It is an Ulam number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (166973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1241 + ... + 1368.

2¹⁶⁶⁹⁷⁶ is an apocalyptic number.

166976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166976 is a deficient number, since it is larger than the sum of its proper divisors (164494).

166976 is an equidigital number, since it uses as much as digits as its factorization.

166976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621 (or 2611 counting only the distinct ones).

The product of its digits is 13608, while the sum is 35.

The square root of 166976 is about 408.6269692519. The cubic root of 166976 is about 55.0661463119.

The spelling of 166976 in words is "one hundred sixty-six thousand, nine hundred seventy-six".