16985758934 has 16 divisors (see below), whose sum is σ = 26906729472. Its totient is φ = 8025747048.

The previous prime is 16985758883. The next prime is 16985758987. The reversal of 16985758934 is 43985758961.

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, 2220614 + ... + 2228249.

It is an arithmetic number, because the mean of its divisors is an integer number (1681670592).

Almost surely, 2^16985758934 is an apocalyptic number.

16985758934 is a deficient number, since it is larger than the sum of its proper divisors (9920970538).

16985758934 is a wasteful number, since it uses less digits than its factorization.

16985758934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4448971.

The product of its digits is 65318400, while the sum is 65.

The spelling of 16985758934 in words is "sixteen billion, nine hundred eighty-five million, seven hundred fifty-eight thousand, nine hundred thirty-four".