326605681382 has 16 divisors (see below), whose sum is σ = 494429377200. Its totient is φ = 161796048480.

The previous prime is 326605681343. The next prime is 326605681387. The reversal of 326605681382 is 283186506623.

It is a super-2 number, since 2×326605681382² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 326605681382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326605681387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6617657 + ... + 6666827.

It is an arithmetic number, because the mean of its divisors is an integer number (30901836075).

Almost surely, 2^326605681382 is an apocalyptic number.

326605681382 is a deficient number, since it is larger than the sum of its proper divisors (167823695818).

326605681382 is a wasteful number, since it uses less digits than its factorization.

326605681382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79751.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 326605681382 in words is "three hundred twenty-six billion, six hundred five million, six hundred eighty-one thousand, three hundred eighty-two".