16957809479 has 16 divisors (see below), whose sum is σ = 19293966720. Its totient is φ = 14792010240.

The previous prime is 16957809467. The next prime is 16957809511. The reversal of 16957809479 is 97490875961.

It is a cyclic number.

It is not a de Polignac number, because 16957809479 - 2³² = 12662842183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16957809779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460802 + ... + 496239.

It is an arithmetic number, because the mean of its divisors is an integer number (1205872920).

Almost surely, 2^16957809479 is an apocalyptic number.

16957809479 is a deficient number, since it is larger than the sum of its proper divisors (2336157241).

16957809479 is a wasteful number, since it uses less digits than its factorization.

16957809479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957130.

The product of its (nonzero) digits is 34292160, while the sum is 65.

The spelling of 16957809479 in words is "sixteen billion, nine hundred fifty-seven million, eight hundred nine thousand, four hundred seventy-nine".