326396697165 has 648 divisors, whose sum is σ = 798563132640. Its totient is φ = 122504659200.

The previous prime is 326396697139. The next prime is 326396697229. The reversal of 326396697165 is 561796693623.

326396697165 is a `hidden beast` number, since 3 + 26 + 396 + 69 + 7 + 165 = 666.

It is not a de Polignac number, because 326396697165 - 2¹² = 326396693069 is a prime.

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 647 ways as a sum of consecutive naturals, for example, 4871592462 + ... + 4871592528.

Almost surely, 2^326396697165 is an apocalyptic number.

326396697165 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

326396697165 is an abundant number, since it is smaller than the sum of its proper divisors (472166435475).

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

326396697165 is a wasteful number, since it uses less digits than its factorization.

326396697165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 143 counting only the distinct ones).

The product of its digits is 66134880, while the sum is 63.

The spelling of 326396697165 in words is "three hundred twenty-six billion, three hundred ninety-six million, six hundred ninety-seven thousand, one hundred sixty-five".