26626806216 has 32 divisors (see below), whose sum is σ = 73963351200. Its totient is φ = 8875602000.

The previous prime is 26626806191. The next prime is 26626806301. The reversal of 26626806216 is 61260862662.

26626806216 is a `hidden beast` number, since 2 + 6 + 626 + 8 + 0 + 6 + 2 + 16 = 666.

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, 61635910 + ... + 61636341.

It is an arithmetic number, because the mean of its divisors is an integer number (2311354725).

Almost surely, 2^26626806216 is an apocalyptic number.

It is an amenable number.

26626806216 is an abundant number, since it is smaller than the sum of its proper divisors (47336544984).

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

26626806216 is a wasteful number, since it uses less digits than its factorization.

26626806216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123272266 (or 123272256 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 26626806216 in words is "twenty-six billion, six hundred twenty-six million, eight hundred six thousand, two hundred sixteen".