326146505641623 has 16 divisors (see below), whose sum is σ = 486422827212000. Its totient is φ = 215971735276800.

The previous prime is 326146505641603. The next prime is 326146505641643.

326146505641623 is a `hidden beast` number, since 3 + 2 + 6 + 1 + 4 + 6 + 5 + 0 + 5 + 6 + 4 + 1 + 623 = 666.

326146505641623 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (326146505641603) and next prime (326146505641643).

It is not a de Polignac number, because 326146505641623 - 2¹⁸ = 326146505379479 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 326146505641623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326146505641603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40535231578 + ... + 40535239623.

It is an arithmetic number, because the mean of its divisors is an integer number (30401426700750).

Almost surely, 2^{326146505641623} is an apocalyptic number.

326146505641623 is a deficient number, since it is larger than the sum of its proper divisors (160276321570377).

326146505641623 is a wasteful number, since it uses less digits than its factorization.

326146505641623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81070471359 (or 81070471353 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 54.

The spelling of 326146505641623 in words is "three hundred twenty-six trillion, one hundred forty-six billion, five hundred five million, six hundred forty-one thousand, six hundred twenty-three".