166196768 has 12 divisors (see below), whose sum is σ = 327199950. Its totient is φ = 83098368.

The previous prime is 166196761. The next prime is 166196773. The reversal of 166196768 is 867691661.

It can be written as a sum of positive squares in only one way, i.e., 126607504 + 39589264 = 11252^2 + 6292^2 .

It is not an unprimeable number, because it can be changed into a prime (166196761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2596793 + ... + 2596856.

Almost surely, 2^166196768 is an apocalyptic number.

It is an amenable number.

166196768 is a deficient number, since it is larger than the sum of its proper divisors (161003182).

166196768 is an equidigital number, since it uses as much as digits as its factorization.

166196768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5193659 (or 5193651 counting only the distinct ones).

The product of its digits is 653184, while the sum is 50.

The square root of 166196768 is about 12891.7325445419. The cubic root of 166196768 is about 549.8035309283.

The spelling of 166196768 in words is "one hundred sixty-six million, one hundred ninety-six thousand, seven hundred sixty-eight".