22161068151 has 4 divisors (see below), whose sum is σ = 29548090872. Its totient is φ = 14774045432.

The previous prime is 22161068147. The next prime is 22161068159. The reversal of 22161068151 is 15186016122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22161068151 - 2² = 22161068147 is a prime.

It is a super-2 number, since 2×22161068151² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22161068159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3693511356 + ... + 3693511361.

It is an arithmetic number, because the mean of its divisors is an integer number (7387022718).

Almost surely, 2^22161068151 is an apocalyptic number.

22161068151 is a deficient number, since it is larger than the sum of its proper divisors (7387022721).

22161068151 is an equidigital number, since it uses as much as digits as its factorization.

22161068151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7387022720.

The product of its (nonzero) digits is 5760, while the sum is 33.

The spelling of 22161068151 in words is "twenty-two billion, one hundred sixty-one million, sixty-eight thousand, one hundred fifty-one".