22156160506 has 8 divisors (see below), whose sum is σ = 33779064564. Its totient is φ = 10896472320.

The previous prime is 22156160497. The next prime is 22156160527. The reversal of 22156160506 is 60506165122.

It can be written as a sum of positive squares in 2 ways, for example, as 21864058225 + 292102281 = 147865^2 + 17091^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90803815 + ... + 90804058.

Almost surely, 2^22156160506 is an apocalyptic number.

22156160506 is a deficient number, since it is larger than the sum of its proper divisors (11622904058).

22156160506 is a wasteful number, since it uses less digits than its factorization.

22156160506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181607936.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 22156160506 in words is "twenty-two billion, one hundred fifty-six million, one hundred sixty thousand, five hundred six".