27393951168 has 70 divisors (see below), whose sum is σ = 81204268376. Its totient is φ = 9131315328.

The previous prime is 27393951121. The next prime is 27393951197. The reversal of 27393951168 is 86115939372.

27393951168 is a `hidden beast` number, since 2 + 7 + 39 + 39 + 511 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2636980 + ... + 2647347.

Almost surely, 2^27393951168 is an apocalyptic number.

It is an amenable number.

27393951168 is an abundant number, since it is smaller than the sum of its proper divisors (53810317208).

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

27393951168 is an equidigital number, since it uses as much as digits as its factorization.

27393951168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5284351 (or 5284332 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The spelling of 27393951168 in words is "twenty-seven billion, three hundred ninety-three million, nine hundred fifty-one thousand, one hundred sixty-eight".