325554660 has 96 divisors (see below), whose sum is σ = 1022313600. Its totient is φ = 86002560.

The previous prime is 325554659. The next prime is 325554661. The reversal of 325554660 is 66455523.

It is a happy number.

325554660 is a `hidden beast` number, since 3 + 2 + 55 + 546 + 60 = 666.

It is an interprime number because it is at equal distance from previous prime (325554659) and next prime (325554661).

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

It is not an unprimeable number, because it can be changed into a prime (325554661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56095 + ... + 61625.

It is an arithmetic number, because the mean of its divisors is an integer number (10649100).

Almost surely, 2^325554660 is an apocalyptic number.

325554660 is a gapful number since it is divisible by the number (30) 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 325554660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511156800).

325554660 is an abundant number, since it is smaller than the sum of its proper divisors (696758940).

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

325554660 is a wasteful number, since it uses less digits than its factorization.

325554660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5658 (or 5650 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 325554660 is about 18043.1333199087. The cubic root of 325554660 is about 687.9253372421.

The spelling of 325554660 in words is "three hundred twenty-five million, five hundred fifty-four thousand, six hundred sixty".