22566690616148 has 36 divisors (see below), whose sum is σ = 46193143018932. Its totient is φ = 9618005456640.

The previous prime is 22566690616109. The next prime is 22566690616199. The reversal of 22566690616148 is 84161609666522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4616877310864 + 17949813305284 = 2148692^2 + 4236722^2 .

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 11 ways as a sum of consecutive naturals, for example, 318020261 + ... + 318091212.

It is an arithmetic number, because the mean of its divisors is an integer number (1283142861637).

Almost surely, 2^{22566690616148} is an apocalyptic number.

22566690616148 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22566690616148 is an abundant number, since it is smaller than the sum of its proper divisors (23626452402784).

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

22566690616148 is a wasteful number, since it uses less digits than its factorization.

22566690616148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636111672 (or 636111663 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 62.

The spelling of 22566690616148 in words is "twenty-two trillion, five hundred sixty-six billion, six hundred ninety million, six hundred sixteen thousand, one hundred forty-eight".