22166655264 has 96 divisors (see below), whose sum is σ = 69626067840. Its totient is φ = 6820505856.

The previous prime is 22166655241. The next prime is 22166655271. The reversal of 22166655264 is 46255666122.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 975532 + ... + 997995.

It is an arithmetic number, because the mean of its divisors is an integer number (725271540).

Almost surely, 2^22166655264 is an apocalyptic number.

22166655264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22166655264 is an abundant number, since it is smaller than the sum of its proper divisors (47459412576).

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

22166655264 is a wasteful number, since it uses less digits than its factorization.

22166655264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973559 (or 1973545 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 22166655264 in words is "twenty-two billion, one hundred sixty-six million, six hundred fifty-five thousand, two hundred sixty-four".