27190704660 has 72 divisors (see below), whose sum is σ = 88564019040. Its totient is φ = 6215017536.

The previous prime is 27190704647. The next prime is 27190704683. The reversal of 27190704660 is 6640709172.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4621330 + ... + 4627209.

It is an arithmetic number, because the mean of its divisors is an integer number (1230055820).

Almost surely, 2^27190704660 is an apocalyptic number.

27190704660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27190704660 is an abundant number, since it is smaller than the sum of its proper divisors (61373314380).

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

27190704660 is a wasteful number, since it uses less digits than its factorization.

27190704660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9248565 (or 9248556 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The spelling of 27190704660 in words is "twenty-seven billion, one hundred ninety million, seven hundred four thousand, six hundred sixty".