664204034 has 16 divisors (see below), whose sum is σ = 1086529920. Its totient is φ = 302674320.

The previous prime is 664204027. The next prime is 664204061. The reversal of 664204034 is 430402466.

It is a happy number.

664204034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 664203988 and 664204006.

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, 159632 + ... + 163739.

It is an arithmetic number, because the mean of its divisors is an integer number (67908120).

Almost surely, 2^664204034 is an apocalyptic number.

664204034 is a deficient number, since it is larger than the sum of its proper divisors (422325886).

664204034 is a wasteful number, since it uses less digits than its factorization.

664204034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323465.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 664204034 is about 25772.1561767734. The cubic root of 664204034 is about 872.5034836466.

The spelling of 664204034 in words is "six hundred sixty-four million, two hundred four thousand, thirty-four".