22677054661 has 2 divisors, whose sum is σ = 22677054662. Its totient is φ = 22677054660.

The previous prime is 22677054607. The next prime is 22677054671. The reversal of 22677054661 is 16645077622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12609942436 + 10067112225 = 112294^2 + 100335^2 .

It is a cyclic number.

It is not a de Polignac number, because 22677054661 - 2²¹ = 22674957509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22677054601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11338527330 + 11338527331.

It is an arithmetic number, because the mean of its divisors is an integer number (11338527331).

Almost surely, 2^22677054661 is an apocalyptic number.

It is an amenable number.

22677054661 is a deficient number, since it is larger than the sum of its proper divisors (1).

22677054661 is an equidigital number, since it uses as much as digits as its factorization.

22677054661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 22677054661 in words is "twenty-two billion, six hundred seventy-seven million, fifty-four thousand, six hundred sixty-one".