27522390164 has 12 divisors (see below), whose sum is σ = 48953759988. Its totient is φ = 13535601600.

The previous prime is 27522390163. The next prime is 27522390199. The reversal of 27522390164 is 46109322572.

It can be written as a sum of positive squares in 2 ways, for example, as 4708704400 + 22813685764 = 68620^2 + 151042^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27522390163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56398097 + ... + 56398584.

It is an arithmetic number, because the mean of its divisors is an integer number (4079479999).

Almost surely, 2^27522390164 is an apocalyptic number.

It is an amenable number.

27522390164 is a deficient number, since it is larger than the sum of its proper divisors (21431369824).

27522390164 is a wasteful number, since it uses less digits than its factorization.

27522390164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112796746 (or 112796744 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 27522390164 in words is "twenty-seven billion, five hundred twenty-two million, three hundred ninety thousand, one hundred sixty-four".