27695340168 has 32 divisors (see below), whose sum is σ = 69243984000. Its totient is φ = 9231028928.

The previous prime is 27695340161. The next prime is 27695340173. The reversal of 27695340168 is 86104359672.

It is a self number, because there is not a number n which added to its sum of digits gives 27695340168.

It is not an unprimeable number, because it can be changed into a prime (27695340161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309358 + ... + 388706.

It is an arithmetic number, because the mean of its divisors is an integer number (2163874500).

It is a 1-persistent number, because it is pandigital, but 2⋅27695340168 = 55390680336 is not.

Almost surely, 2^27695340168 is an apocalyptic number.

It is an amenable number.

27695340168 is an abundant number, since it is smaller than the sum of its proper divisors (41548643832).

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

27695340168 is a wasteful number, since it uses less digits than its factorization.

27695340168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93901 (or 93897 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 27695340168 in words is "twenty-seven billion, six hundred ninety-five million, three hundred forty thousand, one hundred sixty-eight".