22636166152 has 8 divisors (see below), whose sum is σ = 42442811550. Its totient is φ = 11318083072.

The previous prime is 22636166149. The next prime is 22636166159. The reversal of 22636166152 is 25166163622.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14483159716 + 8153006436 = 120346^2 + 90294^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (22636166159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1414760377 + ... + 1414760392.

Almost surely, 2^22636166152 is an apocalyptic number.

It is an amenable number.

22636166152 is a deficient number, since it is larger than the sum of its proper divisors (19806645398).

22636166152 is a wasteful number, since it uses less digits than its factorization.

22636166152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829520775 (or 2829520771 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The spelling of 22636166152 in words is "twenty-two billion, six hundred thirty-six million, one hundred sixty-six thousand, one hundred fifty-two".