27706118660 has 24 divisors (see below), whose sum is σ = 63472199616. Its totient is φ = 10074952160.

The previous prime is 27706118651. The next prime is 27706118701. The reversal of 27706118660 is 6681160772.

It is a super-2 number, since 2×27706118660² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 62968232 + ... + 62968671.

It is an arithmetic number, because the mean of its divisors is an integer number (2644674984).

Almost surely, 2^27706118660 is an apocalyptic number.

27706118660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27706118660 is an abundant number, since it is smaller than the sum of its proper divisors (35766080956).

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

27706118660 is a wasteful number, since it uses less digits than its factorization.

27706118660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125936923 (or 125936921 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 27706118660 in words is "twenty-seven billion, seven hundred six million, one hundred eighteen thousand, six hundred sixty".