663450345164 has 12 divisors (see below), whose sum is σ = 1229334463224. Its totient is φ = 312211927104.

The previous prime is 663450345143. The next prime is 663450345167. The reversal of 663450345164 is 461543054366.

It is not an unprimeable number, because it can be changed into a prime (663450345167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4878311294 + ... + 4878311429.

It is an arithmetic number, because the mean of its divisors is an integer number (102444538602).

Almost surely, 2^663450345164 is an apocalyptic number.

It is an amenable number.

663450345164 is a deficient number, since it is larger than the sum of its proper divisors (565884118060).

663450345164 is a wasteful number, since it uses less digits than its factorization.

663450345164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9756622744 (or 9756622742 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 663450345164 in words is "six hundred sixty-three billion, four hundred fifty million, three hundred forty-five thousand, one hundred sixty-four".