22166655007 has 64 divisors (see below), whose sum is σ = 28466749440. Its totient is φ = 16824931200.

The previous prime is 22166654959. The next prime is 22166655013. The reversal of 22166655007 is 70055666122.

It is not a de Polignac number, because 22166655007 - 2²³ = 22158266399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22166655047) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39372108 + ... + 39372670.

It is an arithmetic number, because the mean of its divisors is an integer number (444792960).

Almost surely, 2^22166655007 is an apocalyptic number.

22166655007 is a deficient number, since it is larger than the sum of its proper divisors (6300094433).

22166655007 is a wasteful number, since it uses less digits than its factorization.

22166655007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 22166655007 in words is "twenty-two billion, one hundred sixty-six million, six hundred fifty-five thousand, seven".