26916654066 has 16 divisors (see below), whose sum is σ = 54257193984. Its totient is φ = 8901570384.

The previous prime is 26916654043. The next prime is 26916654077. The reversal of 26916654066 is 66045661962.

It is a super-2 number, since 2×26916654066² (a number of 22 digits) contains 22 as substring.

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, 17661085 + ... + 17662608.

It is an arithmetic number, because the mean of its divisors is an integer number (3391074624).

Almost surely, 2^26916654066 is an apocalyptic number.

26916654066 is an abundant number, since it is smaller than the sum of its proper divisors (27340539918).

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

26916654066 is a wasteful number, since it uses less digits than its factorization.

26916654066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35323825.

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 26916654066 in words is "twenty-six billion, nine hundred sixteen million, six hundred fifty-four thousand, sixty-six".