22661463056021 has 8 divisors (see below), whose sum is σ = 23775961241088. Its totient is φ = 21570932574000.

The previous prime is 22661463055999. The next prime is 22661463056053. The reversal of 22661463056021 is 12065036416622.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22661463056021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22661463056321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5991923825 + ... + 5991927606.

It is an arithmetic number, because the mean of its divisors is an integer number (2971995155136).

Almost surely, 2^{22661463056021} is an apocalyptic number.

It is an amenable number.

22661463056021 is a deficient number, since it is larger than the sum of its proper divisors (1114498185067).

22661463056021 is a wasteful number, since it uses less digits than its factorization.

22661463056021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11983851523.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 22661463056021 in words is "twenty-two trillion, six hundred sixty-one billion, four hundred sixty-three million, fifty-six thousand, twenty-one".