22661626146636 has 48 divisors (see below), whose sum is σ = 55249021626624. Its totient is φ = 7215901108416.

The previous prime is 22661626146629. The next prime is 22661626146661. The reversal of 22661626146636 is 63664162616622.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54023130 + ... + 54440993.

It is an arithmetic number, because the mean of its divisors is an integer number (1151021283888).

Almost surely, 2^{22661626146636} is an apocalyptic number.

It is an amenable number.

22661626146636 is an abundant number, since it is smaller than the sum of its proper divisors (32587395479988).

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

22661626146636 is a wasteful number, since it uses less digits than its factorization.

22661626146636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108464910 (or 108464908 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 57.

The spelling of 22661626146636 in words is "twenty-two trillion, six hundred sixty-one billion, six hundred twenty-six million, one hundred forty-six thousand, six hundred thirty-six".