326064559968 has 96 divisors (see below), whose sum is σ = 1086881886720. Its totient is φ = 93161301120.

The previous prime is 326064559957. The next prime is 326064559987. The reversal of 326064559968 is 869955460623.

326064559968 is a `hidden beast` number, since 32 + 6 + 0 + 6 + 4 + 5 + 599 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×326064559968² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26950348 + ... + 26962443.

It is an arithmetic number, because the mean of its divisors is an integer number (11321686320).

Almost surely, 2^326064559968 is an apocalyptic number.

It is an amenable number.

326064559968 is an abundant number, since it is smaller than the sum of its proper divisors (760817326752).

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

326064559968 is a wasteful number, since it uses less digits than its factorization.

326064559968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53912817 (or 53912803 counting only the distinct ones).

The product of its (nonzero) digits is 83980800, while the sum is 63.

The spelling of 326064559968 in words is "three hundred twenty-six billion, sixty-four million, five hundred fifty-nine thousand, nine hundred sixty-eight".