325661166523 has 8 divisors (see below), whose sum is σ = 406019116800. Its totient is φ = 253761947880.

The previous prime is 325661166491. The next prime is 325661166527.

325661166523 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 325661166523 - 2⁵ = 325661166491 is a prime.

It is a super-2 number, since 2×325661166523² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (325661166527) 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 7 ways as a sum of consecutive naturals, for example, 2114682823 + ... + 2114682976.

It is an arithmetic number, because the mean of its divisors is an integer number (50752389600).

Almost surely, 2^325661166523 is an apocalyptic number.

325661166523 is a deficient number, since it is larger than the sum of its proper divisors (80357950277).

325661166523 is a wasteful number, since it uses less digits than its factorization.

325661166523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4229365817.

The product of its digits is 1166400, while the sum is 46.

The spelling of 325661166523 in words is "three hundred twenty-five billion, six hundred sixty-one million, one hundred sixty-six thousand, five hundred twenty-three".