65583761057 has 4 divisors (see below), whose sum is σ = 65683281840. Its totient is φ = 65484240276.

The previous prime is 65583761039. The next prime is 65583761059. The reversal of 65583761057 is 75016738556.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65583761057 - 2²⁴ = 65566983841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65583761059) 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, 49759403 + ... + 49760720.

It is an arithmetic number, because the mean of its divisors is an integer number (16420820460).

Almost surely, 2^65583761057 is an apocalyptic number.

It is an amenable number.

65583761057 is a deficient number, since it is larger than the sum of its proper divisors (99520783).

65583761057 is an equidigital number, since it uses as much as digits as its factorization.

65583761057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99520782.

The product of its (nonzero) digits is 5292000, while the sum is 53.

The spelling of 65583761057 in words is "sixty-five billion, five hundred eighty-three million, seven hundred sixty-one thousand, fifty-seven".