664325048 has 32 divisors (see below), whose sum is σ = 1320105600. Its totient is φ = 312333312.

The previous prime is 664325041. The next prime is 664325059. The reversal of 664325048 is 840523466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664325041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237836 + ... + 240612.

It is an arithmetic number, because the mean of its divisors is an integer number (41253300).

Almost surely, 2^664325048 is an apocalyptic number.

664325048 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

664325048 is a deficient number, since it is larger than the sum of its proper divisors (655780552).

664325048 is a wasteful number, since it uses less digits than its factorization.

664325048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4559 (or 4555 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 664325048 is about 25774.5038361556. The cubic root of 664325048 is about 872.5564687333.

The spelling of 664325048 in words is "six hundred sixty-four million, three hundred twenty-five thousand, forty-eight".