65041220673172 has 24 divisors (see below), whose sum is σ = 117956179706400. Its totient is φ = 31343438705376.

The previous prime is 65041220673139. The next prime is 65041220673181. The reversal of 65041220673172 is 27137602214056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497892222 + ... + 498022837.

It is an arithmetic number, because the mean of its divisors is an integer number (4914840821100).

Almost surely, 2^{65041220673172} is an apocalyptic number.

It is an amenable number.

65041220673172 is a deficient number, since it is larger than the sum of its proper divisors (52914959033228).

65041220673172 is a wasteful number, since it uses less digits than its factorization.

65041220673172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995915655 (or 995915653 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 65041220673172 in words is "sixty-five trillion, forty-one billion, two hundred twenty million, six hundred seventy-three thousand, one hundred seventy-two".