664475717102 has 8 divisors (see below), whose sum is σ = 996800712456. Its totient is φ = 332208812952.

The previous prime is 664475717071. The next prime is 664475717137. The reversal of 664475717102 is 201717574466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14494193 + ... + 14539964.

It is an arithmetic number, because the mean of its divisors is an integer number (124600089057).

Almost surely, 2^664475717102 is an apocalyptic number.

664475717102 is a deficient number, since it is larger than the sum of its proper divisors (332324995354).

664475717102 is a wasteful number, since it uses less digits than its factorization.

664475717102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29045602.

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 664475717102 in words is "six hundred sixty-four billion, four hundred seventy-five million, seven hundred seventeen thousand, one hundred two".