16628676785 has 64 divisors (see below), whose sum is σ = 24418713600. Its totient is φ = 10617868800.

The previous prime is 16628676731. The next prime is 16628676791. The reversal of 16628676785 is 58767682661.

It is not a de Polignac number, because 16628676785 - 2⁸ = 16628676529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11303600 + ... + 11305070.

It is an arithmetic number, because the mean of its divisors is an integer number (381542400).

Almost surely, 2^16628676785 is an apocalyptic number.

It is an amenable number.

16628676785 is a deficient number, since it is larger than the sum of its proper divisors (7790036815).

16628676785 is a wasteful number, since it uses less digits than its factorization.

16628676785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782.

The product of its digits is 40642560, while the sum is 62.

The spelling of 16628676785 in words is "sixteen billion, six hundred twenty-eight million, six hundred seventy-six thousand, seven hundred eighty-five".