22651645104156 has 24 divisors (see below), whose sum is σ = 52950463525120. Its totient is φ = 7536744803952.

The previous prime is 22651645104139. The next prime is 22651645104167. The reversal of 22651645104156 is 65140154615622.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1725438676 + ... + 1725451803.

Almost surely, 2^{22651645104156} is an apocalyptic number.

It is an amenable number.

22651645104156 is an abundant number, since it is smaller than the sum of its proper divisors (30298818420964).

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

22651645104156 is a wasteful number, since it uses less digits than its factorization.

22651645104156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450891033 (or 3450891031 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 48.

Adding to 22651645104156 its reverse (65140154615622), we get a palindrome (87791799719778).

The spelling of 22651645104156 in words is "twenty-two trillion, six hundred fifty-one billion, six hundred forty-five million, one hundred four thousand, one hundred fifty-six".