664885628147 has 12 divisors (see below), whose sum is σ = 748516007904. Its totient is φ = 587056200720.

The previous prime is 664885628093. The next prime is 664885628203. The reversal of 664885628147 is 741826588466.

It is not a de Polignac number, because 664885628147 - 2²⁸ = 664617192691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (664885628447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48334379 + ... + 48348132.

It is an arithmetic number, because the mean of its divisors is an integer number (62376333992).

Almost surely, 2^664885628147 is an apocalyptic number.

664885628147 is a deficient number, since it is larger than the sum of its proper divisors (83630379757).

664885628147 is a wasteful number, since it uses less digits than its factorization.

664885628147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96682570 (or 96682547 counting only the distinct ones).

The product of its digits is 123863040, while the sum is 65.

The spelling of 664885628147 in words is "six hundred sixty-four billion, eight hundred eighty-five million, six hundred twenty-eight thousand, one hundred forty-seven".