325117871646 has 16 divisors (see below), whose sum is σ = 650272241808. Its totient is φ = 108366540800.

The previous prime is 325117871641. The next prime is 325117871657. The reversal of 325117871646 is 646178711523.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325117871641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1404285 + ... + 1619336.

It is an arithmetic number, because the mean of its divisors is an integer number (40642015113).

Almost surely, 2^325117871646 is an apocalyptic number.

325117871646 is an abundant number, since it is smaller than the sum of its proper divisors (325154370162).

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

325117871646 is a wasteful number, since it uses less digits than its factorization.

325117871646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041547.

The product of its digits is 1693440, while the sum is 51.

The spelling of 325117871646 in words is "three hundred twenty-five billion, one hundred seventeen million, eight hundred seventy-one thousand, six hundred forty-six".