22166155152 has 30 divisors (see below), whose sum is σ = 62034448502. Its totient is φ = 7388718336.

The previous prime is 22166155103. The next prime is 22166155159. The reversal of 22166155152 is 25155166122.

22166155152 is a `hidden beast` number, since 2 + 21 + 6 + 615 + 5 + 15 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17605043856 + 4561111296 = 132684^2 + 67536^2 .

It is a super-2 number, since 2×22166155152² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (22166155159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76965673 + ... + 76965960.

Almost surely, 2^22166155152 is an apocalyptic number.

It is an amenable number.

22166155152 is an abundant number, since it is smaller than the sum of its proper divisors (39868293350).

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

22166155152 is a wasteful number, since it uses less digits than its factorization.

22166155152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153931647 (or 153931638 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The spelling of 22166155152 in words is "twenty-two billion, one hundred sixty-six million, one hundred fifty-five thousand, one hundred fifty-two".