664477146641203 has 8 divisors (see below), whose sum is σ = 759945271366400. Its totient is φ = 569144726431560.

The previous prime is 664477146641201. The next prime is 664477146641251. The reversal of 664477146641203 is 302146641774466.

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

It is a cyclic number.

It is not a de Polignac number, because 664477146641203 - 2¹ = 664477146641201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (664477146641201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33926118393 + ... + 33926137978.

It is an arithmetic number, because the mean of its divisors is an integer number (94993158920800).

Almost surely, 2^{664477146641203} is an apocalyptic number.

664477146641203 is a deficient number, since it is larger than the sum of its proper divisors (95468124725197).

664477146641203 is a wasteful number, since it uses less digits than its factorization.

664477146641203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67852257777.

The product of its (nonzero) digits is 97542144, while the sum is 61.

The spelling of 664477146641203 in words is "six hundred sixty-four trillion, four hundred seventy-seven billion, one hundred forty-six million, six hundred forty-one thousand, two hundred three".