65172630189 has 8 divisors (see below), whose sum is σ = 91470358240. Its totient is φ = 41161661136.

The previous prime is 65172630167. The next prime is 65172630197. The reversal of 65172630189 is 98103627156.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65172630189 - 2²⁰ = 65171581613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65172630119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571689682 + ... + 571689795.

It is an arithmetic number, because the mean of its divisors is an integer number (11433794780).

Almost surely, 2^65172630189 is an apocalyptic number.

It is an amenable number.

65172630189 is a deficient number, since it is larger than the sum of its proper divisors (26297728051).

65172630189 is a wasteful number, since it uses less digits than its factorization.

65172630189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143379499.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 65172630189 in words is "sixty-five billion, one hundred seventy-two million, six hundred thirty thousand, one hundred eighty-nine".