16770649979 has 8 divisors (see below), whose sum is σ = 17315706240. Its totient is φ = 16225848000.

The previous prime is 16770649937. The next prime is 16770649993. The reversal of 16770649979 is 97994607761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16770649979 - 2²⁰ = 16769601403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16770639979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75329 + ... + 198029.

It is an arithmetic number, because the mean of its divisors is an integer number (2164463280).

Almost surely, 2^16770649979 is an apocalyptic number.

16770649979 is a deficient number, since it is larger than the sum of its proper divisors (545056261).

16770649979 is a wasteful number, since it uses less digits than its factorization.

16770649979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127141.

The product of its (nonzero) digits is 36006768, while the sum is 65.

The spelling of 16770649979 in words is "sixteen billion, seven hundred seventy million, six hundred forty-nine thousand, nine hundred seventy-nine".