65936995524 has 27 divisors (see below), whose sum is σ = 166677966637. Its totient is φ = 21978484944.

The previous prime is 65936995427. The next prime is 65936995547. The reversal of 65936995524 is 42559963956.

The square root of 65936995524 is 256782.

It is a perfect power (a square), and thus also a powerful number.

65936995524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 63731002500 + 2205993024 = 252450^2 + 46968^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1519294 + ... + 1562090.

Almost surely, 2^65936995524 is an apocalyptic number.

65936995524 is the 256782-nd square number.

It is an amenable number.

65936995524 is an abundant number, since it is smaller than the sum of its proper divisors (100740971113).

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

65936995524 is an frugal number, since it uses more digits than its factorization.

65936995524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85604 (or 42802 counting only the distinct ones).

The product of its digits is 78732000, while the sum is 63.

The spelling of 65936995524 in words is "sixty-five billion, nine hundred thirty-six million, nine hundred ninety-five thousand, five hundred twenty-four".