16901138896 has 20 divisors (see below), whose sum is σ = 32752143684. Its totient is φ = 8448972800.

The previous prime is 16901138867. The next prime is 16901138953. The reversal of 16901138896 is 69883110961.

It can be written as a sum of positive squares in 2 ways, for example, as 11916778896 + 4984360000 = 109164^2 + 70600^2 .

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, 10015 + ... + 184126.

Almost surely, 2^16901138896 is an apocalyptic number.

16901138896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16901138896 is a deficient number, since it is larger than the sum of its proper divisors (15851004788).

16901138896 is a wasteful number, since it uses less digits than its factorization.

16901138896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199590 (or 199584 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 52.

The spelling of 16901138896 in words is "sixteen billion, nine hundred one million, one hundred thirty-eight thousand, eight hundred ninety-six".