16938679670 has 16 divisors (see below), whose sum is σ = 33261407568. Its totient is φ = 6159519840.

The previous prime is 16938679601. The next prime is 16938679739. The reversal of 16938679670 is 7697683961.

It is an interprime number because it is at equal distance from previous prime (16938679601) and next prime (16938679739).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76993889 + ... + 76994108.

It is an arithmetic number, because the mean of its divisors is an integer number (2078837973).

Almost surely, 2^16938679670 is an apocalyptic number.

16938679670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16938679670 is a deficient number, since it is larger than the sum of its proper divisors (16322727898).

16938679670 is a wasteful number, since it uses less digits than its factorization.

16938679670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153988015.

The product of its (nonzero) digits is 20575296, while the sum is 62.

The spelling of 16938679670 in words is "sixteen billion, nine hundred thirty-eight million, six hundred seventy-nine thousand, six hundred seventy".