22691857716 has 36 divisors (see below), whose sum is σ = 62574517824. Its totient is φ = 6876320400.

The previous prime is 22691857711. The next prime is 22691857723. The reversal of 22691857716 is 61775819622.

22691857716 is a `hidden beast` number, since 2 + 2 + 69 + 1 + 8 + 577 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22691857711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28650940 + ... + 28651731.

Almost surely, 2^22691857716 is an apocalyptic number.

It is an amenable number.

22691857716 is an abundant number, since it is smaller than the sum of its proper divisors (39882660108).

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

22691857716 is a wasteful number, since it uses less digits than its factorization.

22691857716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57302692 (or 57302687 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The spelling of 22691857716 in words is "twenty-two billion, six hundred ninety-one million, eight hundred fifty-seven thousand, seven hundred sixteen".