16993836277 has 32 divisors (see below), whose sum is σ = 19300958208. Its totient is φ = 14823000000.

The previous prime is 16993836263. The next prime is 16993836311. The reversal of 16993836277 is 77263839961.

It is a cyclic number.

It is not a de Polignac number, because 16993836277 - 2⁷ = 16993836149 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 (16993836217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31411627 + ... + 31412167.

It is an arithmetic number, because the mean of its divisors is an integer number (603154944).

Almost surely, 2^16993836277 is an apocalyptic number.

It is an amenable number.

16993836277 is a deficient number, since it is larger than the sum of its proper divisors (2307121931).

16993836277 is a wasteful number, since it uses less digits than its factorization.

16993836277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201.

The product of its digits is 20575296, while the sum is 61.

The spelling of 16993836277 in words is "sixteen billion, nine hundred ninety-three million, eight hundred thirty-six thousand, two hundred seventy-seven".