26900814666 has 16 divisors (see below), whose sum is σ = 58692686688. Its totient is φ = 8151762000.

The previous prime is 26900814653. The next prime is 26900814719. The reversal of 26900814666 is 66641800962.

It is a happy number.

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, 203793985 + ... + 203794116.

It is an arithmetic number, because the mean of its divisors is an integer number (3668292918).

Almost surely, 2^26900814666 is an apocalyptic number.

26900814666 is an abundant number, since it is smaller than the sum of its proper divisors (31791872022).

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

26900814666 is a wasteful number, since it uses less digits than its factorization.

26900814666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407588117.

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 26900814666 in words is "twenty-six billion, nine hundred million, eight hundred fourteen thousand, six hundred sixty-six".