325998661716 has 720 divisors, whose sum is σ = 1092318087168. Its totient is φ = 82973030400.

The previous prime is 325998661697. The next prime is 325998661783. The reversal of 325998661716 is 617166899523.

325998661716 is a `hidden beast` number, since 3 + 2 + 5 + 9 + 9 + 8 + 6 + 617 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

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 239 ways as a sum of consecutive naturals, for example, 1706799181 + ... + 1706799371.

Almost surely, 2^325998661716 is an apocalyptic number.

325998661716 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325998661716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546159043584).

325998661716 is an abundant number, since it is smaller than the sum of its proper divisors (766319425452).

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

325998661716 is a wasteful number, since it uses less digits than its factorization.

325998661716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 350 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 63.

The spelling of 325998661716 in words is "three hundred twenty-five billion, nine hundred ninety-eight million, six hundred sixty-one thousand, seven hundred sixteen".