27156461760 has 140 divisors (see below), whose sum is σ = 96600404208. Its totient is φ = 7241716224.

The previous prime is 27156461749. The next prime is 27156461777. The reversal of 27156461760 is 6716465172.

27156461760 is a `hidden beast` number, since 2 + 71 + 56 + 461 + 76 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 497932 + ... + 549771.

Almost surely, 2^27156461760 is an apocalyptic number.

27156461760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27156461760 is an abundant number, since it is smaller than the sum of its proper divisors (69443942448).

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

27156461760 is a wasteful number, since it uses less digits than its factorization.

27156461760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047732 (or 1047713 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 27156461760 in words is "twenty-seven billion, one hundred fifty-six million, four hundred sixty-one thousand, seven hundred sixty".