16977742256 has 20 divisors (see below), whose sum is σ = 32901533304. Its totient is φ = 8487024000.

The previous prime is 16977742253. The next prime is 16977742283. The reversal of 16977742256 is 65224777961.

It is a super-2 number, since 2×16977742256² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16977742253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38045 + ... + 188156.

Almost surely, 2^16977742256 is an apocalyptic number.

16977742256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16977742256 is a deficient number, since it is larger than the sum of its proper divisors (15923791048).

16977742256 is a wasteful number, since it uses less digits than its factorization.

16977742256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230900 (or 230894 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 56.

The spelling of 16977742256 in words is "sixteen billion, nine hundred seventy-seven million, seven hundred forty-two thousand, two hundred fifty-six".