664304419036 has 6 divisors (see below), whose sum is σ = 1162532733320. Its totient is φ = 332152209516.

The previous prime is 664304419003. The next prime is 664304419153. The reversal of 664304419036 is 630914403466.

It is a super-2 number, since 2×664304419036² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83038052376 + ... + 83038052383.

Almost surely, 2^664304419036 is an apocalyptic number.

It is an amenable number.

664304419036 is a deficient number, since it is larger than the sum of its proper divisors (498228314284).

664304419036 is a wasteful number, since it uses less digits than its factorization.

664304419036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166076104763 (or 166076104761 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 46.

The spelling of 664304419036 in words is "six hundred sixty-four billion, three hundred four million, four hundred nineteen thousand, thirty-six".