979661166979 has 16 divisors (see below), whose sum is σ = 1105888284000. Its totient is φ = 859646027520.

The previous prime is 979661166959. The next prime is 979661167019.

979661166979 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 979661166979 - 2³³ = 971071232387 is a prime.

It is a super-2 number, since 2×979661166979² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (979661166919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690637 + ... + 1560865.

It is an arithmetic number, because the mean of its divisors is an integer number (69118017750).

Almost surely, 2^979661166979 is an apocalyptic number.

979661166979 is a deficient number, since it is larger than the sum of its proper divisors (126227117021).

979661166979 is a wasteful number, since it uses less digits than its factorization.

979661166979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873798.

The product of its digits is 416649744, while the sum is 76.

The spelling of 979661166979 in words is "nine hundred seventy-nine billion, six hundred sixty-one million, one hundred sixty-six thousand, nine hundred seventy-nine".