325918866 has 192 divisors, whose sum is σ = 889221888. Its totient is φ = 77635584.

The previous prime is 325918861. The next prime is 325918867. The reversal of 325918866 is 668819523.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (325918861) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4464606 + ... + 4464678.

It is an arithmetic number, because the mean of its divisors is an integer number (4631364).

Almost surely, 2^325918866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325918866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (444610944).

325918866 is an abundant number, since it is smaller than the sum of its proper divisors (563303022).

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

325918866 is a wasteful number, since it uses less digits than its factorization.

325918866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 152 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The square root of 325918866 is about 18053.2231471280. The cubic root of 325918866 is about 688.1817746327.

The spelling of 325918866 in words is "three hundred twenty-five million, nine hundred eighteen thousand, eight hundred sixty-six".