65572613500 has 48 divisors (see below), whose sum is σ = 146541114720. Its totient is φ = 25619059200.

The previous prime is 65572613461. The next prime is 65572613521. The reversal of 65572613500 is 531627556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1503445 + ... + 1546444.

It is an arithmetic number, because the mean of its divisors is an integer number (3052939890).

Almost surely, 2^65572613500 is an apocalyptic number.

It is an amenable number.

65572613500 is an abundant number, since it is smaller than the sum of its proper divisors (80968501220).

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

65572613500 is a wasteful number, since it uses less digits than its factorization.

65572613500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049951 (or 3049939 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 40.

The spelling of 65572613500 in words is "sixty-five billion, five hundred seventy-two million, six hundred thirteen thousand, five hundred".