922788157661 has 16 divisors (see below), whose sum is σ = 977893470720. Its totient is φ = 867774746880.

The previous prime is 922788157657. The next prime is 922788157673. The reversal of 922788157661 is 166751887229.

It is a cyclic number.

It is not a de Polignac number, because 922788157661 - 2² = 922788157657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 922788157594 and 922788157603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (922788154661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166957280 + ... + 166962806.

It is an arithmetic number, because the mean of its divisors is an integer number (61118341920).

Almost surely, 2^922788157661 is an apocalyptic number.

It is an amenable number.

922788157661 is a deficient number, since it is larger than the sum of its proper divisors (55105313059).

922788157661 is a wasteful number, since it uses less digits than its factorization.

922788157661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12044.

The product of its digits is 20321280, while the sum is 62.

The spelling of 922788157661 in words is "nine hundred twenty-two billion, seven hundred eighty-eight million, one hundred fifty-seven thousand, six hundred sixty-one".