325451744073216 has 200 divisors, whose sum is σ = 971498483336304. Its totient is φ = 108471549358080.

The previous prime is 325451744073199. The next prime is 325451744073221. The reversal of 325451744073216 is 612370447154523.

325451744073216 is a `hidden beast` number, since 3 + 2 + 5 + 4 + 5 + 17 + 4 + 407 + 3 + 216 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 367040581 + ... + 367926203.

Almost surely, 2^{325451744073216} is an apocalyptic number.

325451744073216 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 325451744073216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485749241668152).

325451744073216 is an abundant number, since it is smaller than the sum of its proper divisors (646046739263088).

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

325451744073216 is an frugal number, since it uses more digits than its factorization.

325451744073216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894514 (or 894489 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 54.

The spelling of 325451744073216 in words is "three hundred twenty-five trillion, four hundred fifty-one billion, seven hundred forty-four million, seventy-three thousand, two hundred sixteen".