664099102 has 32 divisors (see below), whose sum is σ = 1057432320. Its totient is φ = 312164160.

The previous prime is 664099091. The next prime is 664099123. The reversal of 664099102 is 201990466.

It is a super-4 number, since 4×664099102⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1072549 + ... + 1073167.

It is an arithmetic number, because the mean of its divisors is an integer number (33044760).

Almost surely, 2^664099102 is an apocalyptic number.

664099102 is a deficient number, since it is larger than the sum of its proper divisors (393333218).

664099102 is a wasteful number, since it uses less digits than its factorization.

664099102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 664099102 is about 25770.1203334404. The cubic root of 664099102 is about 872.4575347350.

The spelling of 664099102 in words is "six hundred sixty-four million, ninety-nine thousand, one hundred two".