65506677326 has 4 divisors (see below), whose sum is σ = 98260015992. Its totient is φ = 32753338662.

The previous prime is 65506677311. The next prime is 65506677349. The reversal of 65506677326 is 62377660556.

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

It is a super-2 number, since 2×65506677326² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16376669330 + ... + 16376669333.

It is an arithmetic number, because the mean of its divisors is an integer number (24565003998).

Almost surely, 2^65506677326 is an apocalyptic number.

65506677326 is a deficient number, since it is larger than the sum of its proper divisors (32753338666).

65506677326 is a wasteful number, since it uses less digits than its factorization.

65506677326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32753338665.

The product of its (nonzero) digits is 9525600, while the sum is 53.

The spelling of 65506677326 in words is "sixty-five billion, five hundred six million, six hundred seventy-seven thousand, three hundred twenty-six".