16772775920 has 40 divisors (see below), whose sum is σ = 41049165840. Its totient is φ = 6355998720.

The previous prime is 16772775881. The next prime is 16772775941. The reversal of 16772775920 is 2957727761.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5515841 + ... + 5518880.

It is an arithmetic number, because the mean of its divisors is an integer number (1026229146).

Almost surely, 2^16772775920 is an apocalyptic number.

16772775920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16772775920 is an abundant number, since it is smaller than the sum of its proper divisors (24276389920).

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

16772775920 is a wasteful number, since it uses less digits than its factorization.

16772775920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11034753 (or 11034747 counting only the distinct ones).

The product of its (nonzero) digits is 2593080, while the sum is 53.

The spelling of 16772775920 in words is "sixteen billion, seven hundred seventy-two million, seven hundred seventy-five thousand, nine hundred twenty".