16775586956464 has 20 divisors (see below), whose sum is σ = 37145942546704. Its totient is φ = 7189537267008.

The previous prime is 16775586956449. The next prime is 16775586956533. The reversal of 16775586956464 is 46465968557761.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74891013087 + ... + 74891013310.

Almost surely, 2^{16775586956464} is an apocalyptic number.

16775586956464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16775586956464 is an abundant number, since it is smaller than the sum of its proper divisors (20370355590240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16775586956464 is a wasteful number, since it uses less digits than its factorization.

16775586956464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149782026412 (or 149782026406 counting only the distinct ones).

The product of its digits is 9144576000, while the sum is 79.

The spelling of 16775586956464 in words is "sixteen trillion, seven hundred seventy-five billion, five hundred eighty-six million, nine hundred fifty-six thousand, four hundred sixty-four".