16772908165 has 16 divisors (see below), whose sum is σ = 21680064000. Its totient is φ = 12383687232.

The previous prime is 16772908121. The next prime is 16772908213. The reversal of 16772908165 is 56180927761.

It is a cyclic number.

It is not a de Polignac number, because 16772908165 - 2²⁵ = 16739353733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345036 + ... + 390634.

It is an arithmetic number, because the mean of its divisors is an integer number (1355004000).

Almost surely, 2^16772908165 is an apocalyptic number.

It is an amenable number.

16772908165 is a deficient number, since it is larger than the sum of its proper divisors (4907155835).

16772908165 is a wasteful number, since it uses less digits than its factorization.

16772908165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51276.

The product of its (nonzero) digits is 1270080, while the sum is 52.

The spelling of 16772908165 in words is "sixteen billion, seven hundred seventy-two million, nine hundred eight thousand, one hundred sixty-five".