22116651610465 has 32 divisors (see below), whose sum is σ = 27102074757120. Its totient is φ = 17320120536576.

The previous prime is 22116651610457. The next prime is 22116651610577. The reversal of 22116651610465 is 56401615661122.

It is a cyclic number.

It is not a de Polignac number, because 22116651610465 - 2³ = 22116651610457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 913031344 + ... + 913055566.

It is an arithmetic number, because the mean of its divisors is an integer number (846939836160).

Almost surely, 2^{22116651610465} is an apocalyptic number.

It is an amenable number.

22116651610465 is a deficient number, since it is larger than the sum of its proper divisors (4985423146655).

22116651610465 is a wasteful number, since it uses less digits than its factorization.

22116651610465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31953.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 22116651610465 in words is "twenty-two trillion, one hundred sixteen billion, six hundred fifty-one million, six hundred ten thousand, four hundred sixty-five".