65226136472 has 16 divisors (see below), whose sum is σ = 139770292560. Its totient is φ = 27954058464.

The previous prime is 65226136441. The next prime is 65226136501. The reversal of 65226136472 is 27463162256.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582376163 + ... + 582376274.

It is an arithmetic number, because the mean of its divisors is an integer number (8735643285).

Almost surely, 2^65226136472 is an apocalyptic number.

It is an amenable number.

65226136472 is an abundant number, since it is smaller than the sum of its proper divisors (74544156088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65226136472 is a wasteful number, since it uses less digits than its factorization.

65226136472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164752450 (or 1164752446 counting only the distinct ones).

The product of its digits is 725760, while the sum is 44.

The spelling of 65226136472 in words is "sixty-five billion, two hundred twenty-six million, one hundred thirty-six thousand, four hundred seventy-two".