664232098 has 16 divisors (see below), whose sum is σ = 1015511040. Its totient is φ = 325787616.

The previous prime is 664232087. The next prime is 664232099. The reversal of 664232098 is 890232466.

It is a self number, because there is not a number n which added to its sum of digits gives 664232098.

It is not an unprimeable number, because it can be changed into a prime (664232099) 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, 7915 + ... + 37297.

It is an arithmetic number, because the mean of its divisors is an integer number (63469440).

Almost surely, 2^664232098 is an apocalyptic number.

664232098 is a deficient number, since it is larger than the sum of its proper divisors (351278942).

664232098 is a wasteful number, since it uses less digits than its factorization.

664232098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29601.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 664232098 is about 25772.7006345862. The cubic root of 664232098 is about 872.5157718350.

The spelling of 664232098 in words is "six hundred sixty-four million, two hundred thirty-two thousand, ninety-eight".