26166314988 has 72 divisors (see below), whose sum is σ = 72178653456. Its totient is φ = 7926652800.

The previous prime is 26166314953. The next prime is 26166315013. The reversal of 26166314988 is 88941366162.

26166314988 is a `hidden beast` number, since 2 + 61 + 66 + 31 + 498 + 8 = 666.

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, 1504470 + ... + 1521762.

It is an arithmetic number, because the mean of its divisors is an integer number (1002481298).

Almost surely, 2^26166314988 is an apocalyptic number.

It is an amenable number.

26166314988 is an abundant number, since it is smaller than the sum of its proper divisors (46012338468).

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

26166314988 is a wasteful number, since it uses less digits than its factorization.

26166314988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21135 (or 21130 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The spelling of 26166314988 in words is "twenty-six billion, one hundred sixty-six million, three hundred fourteen thousand, nine hundred eighty-eight".