65655332567 has 4 divisors (see below), whose sum is σ = 71623999176. Its totient is φ = 59686665960.

The previous prime is 65655332551. The next prime is 65655332591. The reversal of 65655332567 is 76523355656.

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

It is a cyclic number.

It is not a de Polignac number, because 65655332567 - 2⁴ = 65655332551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65655332537) by changing a digit.

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, 2984333288 + ... + 2984333309.

It is an arithmetic number, because the mean of its divisors is an integer number (17905999794).

Almost surely, 2^65655332567 is an apocalyptic number.

65655332567 is a deficient number, since it is larger than the sum of its proper divisors (5968666609).

65655332567 is a wasteful number, since it uses less digits than its factorization.

65655332567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5968666608.

The product of its digits is 17010000, while the sum is 53.

The spelling of 65655332567 in words is "sixty-five billion, six hundred fifty-five million, three hundred thirty-two thousand, five hundred sixty-seven".