27553330164 has 24 divisors (see below), whose sum is σ = 65380785120. Its totient is φ = 9028774624.

The previous prime is 27553330097. The next prime is 27553330199. The reversal of 27553330164 is 46103335572.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19457859 + ... + 19459274.

It is an arithmetic number, because the mean of its divisors is an integer number (2724199380).

Almost surely, 2^27553330164 is an apocalyptic number.

It is an amenable number.

27553330164 is an abundant number, since it is smaller than the sum of its proper divisors (37827454956).

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

27553330164 is a wasteful number, since it uses less digits than its factorization.

27553330164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38917199 (or 38917197 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 39.

The spelling of 27553330164 in words is "twenty-seven billion, five hundred fifty-three million, three hundred thirty thousand, one hundred sixty-four".