27066107670 has 128 divisors (see below), whose sum is σ = 77874462720. Its totient is φ = 5886376320.

The previous prime is 27066107623. The next prime is 27066107713. The reversal of 27066107670 is 7670166072.

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 63 ways as a sum of consecutive naturals, for example, 907861 + ... + 937199.

It is an arithmetic number, because the mean of its divisors is an integer number (608394240).

Almost surely, 2^27066107670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27066107670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38937231360).

27066107670 is an abundant number, since it is smaller than the sum of its proper divisors (50808355050).

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

27066107670 is a wasteful number, since it uses less digits than its factorization.

27066107670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29570.

The product of its (nonzero) digits is 148176, while the sum is 42.

The spelling of 27066107670 in words is "twenty-seven billion, sixty-six million, one hundred seven thousand, six hundred seventy".