16776676257 has 12 divisors (see below), whose sum is σ = 24587305680. Its totient is φ = 10167682360.

The previous prime is 16776676247. The next prime is 16776676277. The reversal of 16776676257 is 75267667761.

It is not a de Polignac number, because 16776676257 - 2¹² = 16776672161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16776676257.

It is not an unprimeable number, because it can be changed into a prime (16776676247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23108007 + ... + 23108732.

It is an arithmetic number, because the mean of its divisors is an integer number (2048942140).

Almost surely, 2^16776676257 is an apocalyptic number.

It is an amenable number.

16776676257 is a deficient number, since it is larger than the sum of its proper divisors (7810629423).

16776676257 is a wasteful number, since it uses less digits than its factorization.

16776676257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46216764 (or 46216753 counting only the distinct ones).

The product of its digits is 31116960, while the sum is 60.

The spelling of 16776676257 in words is "sixteen billion, seven hundred seventy-six million, six hundred seventy-six thousand, two hundred fifty-seven".