325220016456 has 48 divisors (see below), whose sum is σ = 882060844860. Its totient is φ = 108252009600.

The previous prime is 325220016431. The next prime is 325220016481. The reversal of 325220016456 is 654610022523.

325220016456 is a `hidden beast` number, since 3 + 2 + 5 + 2 + 2 + 0 + 0 + 1 + 645 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (325220016431) and next prime (325220016481).

It can be written as a sum of positive squares in 2 ways, for example, as 324482893956 + 737122500 = 569634^2 + 27150^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 325220016456.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3171315 + ... + 3272258.

Almost surely, 2^325220016456 is an apocalyptic number.

325220016456 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

325220016456 is an abundant number, since it is smaller than the sum of its proper divisors (556840828404).

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

325220016456 is a wasteful number, since it uses less digits than its factorization.

325220016456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6444286 (or 6444279 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 325220016456 its reverse (654610022523), we get a palindrome (979830038979).

The spelling of 325220016456 in words is "three hundred twenty-five billion, two hundred twenty million, sixteen thousand, four hundred fifty-six".