22656554613 has 144 divisors (see below), whose sum is σ = 42748183296. Its totient is φ = 11309760000.

The previous prime is 22656554611. The next prime is 22656554621. The reversal of 22656554613 is 31645565622.

22656554613 is a `hidden beast` number, since 2 + 26 + 5 + 6 + 5 + 5 + 4 + 613 = 666.

It is not a de Polignac number, because 22656554613 - 2¹ = 22656554611 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22656554611) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 22190043 + ... + 22191063.

It is an arithmetic number, because the mean of its divisors is an integer number (296862384).

Almost surely, 2^22656554613 is an apocalyptic number.

It is an amenable number.

22656554613 is a deficient number, since it is larger than the sum of its proper divisors (20091628683).

22656554613 is a wasteful number, since it uses less digits than its factorization.

22656554613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168 (or 1154 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 45.

The spelling of 22656554613 in words is "twenty-two billion, six hundred fifty-six million, five hundred fifty-four thousand, six hundred thirteen".