64171596002 has 4 divisors (see below), whose sum is σ = 96257394006. Its totient is φ = 32085798000.

The previous prime is 64171595987. The next prime is 64171596019. The reversal of 64171596002 is 20069517146.

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., 32309703001 + 31861893001 = 179749^2 + 178499^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16042898999 + ... + 16042899002.

Almost surely, 2^64171596002 is an apocalyptic number.

64171596002 is a deficient number, since it is larger than the sum of its proper divisors (32085798004).

64171596002 is a wasteful number, since it uses less digits than its factorization.

64171596002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32085798003.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 64171596002 in words is "sixty-four billion, one hundred seventy-one million, five hundred ninety-six thousand, two".