664500050010514 has 4 divisors (see below), whose sum is σ = 996750075015774. Its totient is φ = 332250025005256.

The previous prime is 664500050010493. The next prime is 664500050010569. The reversal of 664500050010514 is 415010050005466.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 663289995009889 + 1210055000625 = 25754417^2 + 1100025^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166125012502627 + ... + 166125012502630.

Almost surely, 2^{664500050010514} is an apocalyptic number.

664500050010514 is a deficient number, since it is larger than the sum of its proper divisors (332250025005260).

664500050010514 is a wasteful number, since it uses less digits than its factorization.

664500050010514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332250025005259.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 664500050010514 in words is "six hundred sixty-four trillion, five hundred billion, fifty million, ten thousand, five hundred fourteen".