664193062 has 16 divisors (see below), whose sum is σ = 1077541920. Its totient is φ = 305232192.

The previous prime is 664193039. The next prime is 664193083. The reversal of 664193062 is 260391466.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48762 + ... + 60877.

It is an arithmetic number, because the mean of its divisors is an integer number (67346370).

Almost surely, 2^664193062 is an apocalyptic number.

664193062 is a deficient number, since it is larger than the sum of its proper divisors (413348858).

664193062 is a wasteful number, since it uses less digits than its factorization.

664193062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109887.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 664193062 is about 25771.9433105073. The cubic root of 664193062 is about 872.4986793192.

The spelling of 664193062 in words is "six hundred sixty-four million, one hundred ninety-three thousand, sixty-two".