27666591096 has 32 divisors (see below), whose sum is σ = 69173591040. Its totient is φ = 9221248608.

The previous prime is 27666591083. The next prime is 27666591101. The reversal of 27666591096 is 69019566672.

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, 202555 + ... + 310421.

It is an arithmetic number, because the mean of its divisors is an integer number (2161674720).

Almost surely, 2^27666591096 is an apocalyptic number.

It is an amenable number.

27666591096 is an abundant number, since it is smaller than the sum of its proper divisors (41506999944).

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

27666591096 is a wasteful number, since it uses less digits than its factorization.

27666591096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118563 (or 118559 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 57.

The spelling of 27666591096 in words is "twenty-seven billion, six hundred sixty-six million, five hundred ninety-one thousand, ninety-six".