16979071941 has 12 divisors (see below), whose sum is σ = 26411889868. Its totient is φ = 10448659584.

The previous prime is 16979071933. The next prime is 16979071961. The reversal of 16979071941 is 14917097961.

It can be written as a sum of positive squares in 2 ways, for example, as 10996668225 + 5982403716 = 104865^2 + 77346^2 .

It is not a de Polignac number, because 16979071941 - 2³ = 16979071933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16979071961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72560020 + ... + 72560253.

Almost surely, 2^16979071941 is an apocalyptic number.

It is an amenable number.

16979071941 is a deficient number, since it is larger than the sum of its proper divisors (9432817927).

16979071941 is a wasteful number, since it uses less digits than its factorization.

16979071941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145120292 (or 145120289 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 54.

The spelling of 16979071941 in words is "sixteen billion, nine hundred seventy-nine million, seventy-one thousand, nine hundred forty-one".