22166573660577 has 96 divisors (see below), whose sum is σ = 37677546047232. Its totient is φ = 12944161511424.

The previous prime is 22166573660573. The next prime is 22166573660599. The reversal of 22166573660577 is 77506637566122.

22166573660577 is a `hidden beast` number, since 2 + 2 + 1 + 6 + 6 + 57 + 3 + 6 + 6 + 0 + 577 = 666.

It is not a de Polignac number, because 22166573660577 - 2² = 22166573660573 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22166573660573) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 362773 + ... + 6668189.

It is an arithmetic number, because the mean of its divisors is an integer number (392474437992).

Almost surely, 2^{22166573660577} is an apocalyptic number.

22166573660577 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

22166573660577 is a deficient number, since it is larger than the sum of its proper divisors (15510972386655).

22166573660577 is a wasteful number, since it uses less digits than its factorization.

22166573660577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6305509 (or 6305497 counting only the distinct ones).

The product of its (nonzero) digits is 133358400, while the sum is 63.

The spelling of 22166573660577 in words is "twenty-two trillion, one hundred sixty-six billion, five hundred seventy-three million, six hundred sixty thousand, five hundred seventy-seven".