10166979 has 4 divisors (see below), whose sum is σ = 13555976. Its totient is φ = 6777984.

The previous prime is 10166941. The next prime is 10166983. The reversal of 10166979 is 97966101.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10166979 - 2¹² = 10162883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10166909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1694494 + ... + 1694499.

It is an arithmetic number, because the mean of its divisors is an integer number (3388994).

Almost surely, 2^10166979 is an apocalyptic number.

10166979 is a deficient number, since it is larger than the sum of its proper divisors (3388997).

10166979 is an equidigital number, since it uses as much as digits as its factorization.

10166979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388996.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 10166979 is about 3188.5700556833. The cubic root of 10166979 is about 216.6360069700.

The spelling of 10166979 in words is "ten million, one hundred sixty-six thousand, nine hundred seventy-nine".