664084246004 has 6 divisors (see below), whose sum is σ = 1162147430514. Its totient is φ = 332042123000.

The previous prime is 664084245991. The next prime is 664084246013. The reversal of 664084246004 is 400642480466.

It can be written as a sum of positive squares in only one way, i.e., 593827442404 + 70256803600 = 770602^2 + 265060^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83010530747 + ... + 83010530754.

It is an arithmetic number, because the mean of its divisors is an integer number (193691238419).

Almost surely, 2^664084246004 is an apocalyptic number.

It is an amenable number.

664084246004 is a deficient number, since it is larger than the sum of its proper divisors (498063184510).

664084246004 is a wasteful number, since it uses less digits than its factorization.

664084246004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166021061505 (or 166021061503 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 44.

The spelling of 664084246004 in words is "six hundred sixty-four billion, eighty-four million, two hundred forty-six thousand, four".