26696011664 has 40 divisors (see below), whose sum is σ = 59126632320. Its totient is φ = 11438431488.

The previous prime is 26696011621. The next prime is 26696011669. The reversal of 26696011664 is 46611069662.

It is not an unprimeable number, because it can be changed into a prime (26696011669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487292 + ... + 539300.

It is an arithmetic number, because the mean of its divisors is an integer number (1478165808).

Almost surely, 2^26696011664 is an apocalyptic number.

It is an amenable number.

26696011664 is an abundant number, since it is smaller than the sum of its proper divisors (32430620656).

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

26696011664 is a wasteful number, since it uses less digits than its factorization.

26696011664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56607 (or 56601 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 26696011664 in words is "twenty-six billion, six hundred ninety-six million, eleven thousand, six hundred sixty-four".