26707231660 has 12 divisors (see below), whose sum is σ = 56085186528. Its totient is φ = 10682892656.

The previous prime is 26707231571. The next prime is 26707231739. The reversal of 26707231660 is 6613270762.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667680772 + ... + 667680811.

It is an arithmetic number, because the mean of its divisors is an integer number (4673765544).

Almost surely, 2^26707231660 is an apocalyptic number.

26707231660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26707231660 is an abundant number, since it is smaller than the sum of its proper divisors (29377954868).

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

26707231660 is a wasteful number, since it uses less digits than its factorization.

26707231660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335361592 (or 1335361590 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 26707231660 in words is "twenty-six billion, seven hundred seven million, two hundred thirty-one thousand, six hundred sixty".