22537710161 has 2 divisors, whose sum is σ = 22537710162. Its totient is φ = 22537710160.

The previous prime is 22537710103. The next prime is 22537710163. The reversal of 22537710161 is 16101773522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22486801936 + 50908225 = 149956^2 + 7135^2 .

It is a cyclic number.

It is not a de Polignac number, because 22537710161 - 2²² = 22533515857 is a prime.

Together with 22537710163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22537710163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11268855080 + 11268855081.

It is an arithmetic number, because the mean of its divisors is an integer number (11268855081).

Almost surely, 2^22537710161 is an apocalyptic number.

It is an amenable number.

22537710161 is a deficient number, since it is larger than the sum of its proper divisors (1).

22537710161 is an equidigital number, since it uses as much as digits as its factorization.

22537710161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 35.

The spelling of 22537710161 in words is "twenty-two billion, five hundred thirty-seven million, seven hundred ten thousand, one hundred sixty-one".