26475157668 has 12 divisors (see below), whose sum is σ = 61775367920. Its totient is φ = 8825052552.

The previous prime is 26475157661. The next prime is 26475157679. The reversal of 26475157668 is 86675157462.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (26475157661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1103131558 + ... + 1103131581.

Almost surely, 2^26475157668 is an apocalyptic number.

It is an amenable number.

26475157668 is an abundant number, since it is smaller than the sum of its proper divisors (35300210252).

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

26475157668 is a wasteful number, since it uses less digits than its factorization.

26475157668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206263146 (or 2206263144 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 57.

The spelling of 26475157668 in words is "twenty-six billion, four hundred seventy-five million, one hundred fifty-seven thousand, six hundred sixty-eight".