26164632456 has 48 divisors (see below), whose sum is σ = 71420544000. Its totient is φ = 8652867552.

The previous prime is 26164632443. The next prime is 26164632457. The reversal of 26164632456 is 65423646162.

It is a happy number.

26164632456 is a `hidden beast` number, since 2 + 6 + 1 + 6 + 4 + 632 + 4 + 5 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (26164632457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1421556 + ... + 1439843.

It is an arithmetic number, because the mean of its divisors is an integer number (1487928000).

Almost surely, 2^26164632456 is an apocalyptic number.

It is an amenable number.

26164632456 is an abundant number, since it is smaller than the sum of its proper divisors (45255911544).

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

26164632456 is a wasteful number, since it uses less digits than its factorization.

26164632456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861538 (or 2861531 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The spelling of 26164632456 in words is "twenty-six billion, one hundred sixty-four million, six hundred thirty-two thousand, four hundred fifty-six".