16894514768 has 20 divisors (see below), whose sum is σ = 32735657760. Its totient is φ = 8446603104.

The previous prime is 16894514719. The next prime is 16894514771. The reversal of 16894514768 is 86741549861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224213 + ... + 289931.

It is an arithmetic number, because the mean of its divisors is an integer number (1636782888).

Almost surely, 2^16894514768 is an apocalyptic number.

It is an amenable number.

16894514768 is a deficient number, since it is larger than the sum of its proper divisors (15841142992).

16894514768 is a wasteful number, since it uses less digits than its factorization.

16894514768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81794 (or 81788 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 59.

The spelling of 16894514768 in words is "sixteen billion, eight hundred ninety-four million, five hundred fourteen thousand, seven hundred sixty-eight".