65606271371 has 4 divisors (see below), whose sum is σ = 65782159872. Its totient is φ = 65430382872.

The previous prime is 65606271329. The next prime is 65606271383. The reversal of 65606271371 is 17317260656.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65606271371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65606271391) 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, 87943691 + ... + 87944436.

It is an arithmetic number, because the mean of its divisors is an integer number (16445539968).

Almost surely, 2^65606271371 is an apocalyptic number.

65606271371 is a deficient number, since it is larger than the sum of its proper divisors (175888501).

65606271371 is a wasteful number, since it uses less digits than its factorization.

65606271371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175888500.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 65606271371 in words is "sixty-five billion, six hundred six million, two hundred seventy-one thousand, three hundred seventy-one".