65536216751 has 4 divisors (see below), whose sum is σ = 67134661104. Its totient is φ = 63937772400.

The previous prime is 65536216729. The next prime is 65536216771. The reversal of 65536216751 is 15761263556.

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 65536216751 - 2¹⁸ = 65535954607 is a prime.

It is a super-3 number, since 3×65536216751³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65536216696 and 65536216705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65536216771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 799222115 + ... + 799222196.

It is an arithmetic number, because the mean of its divisors is an integer number (16783665276).

Almost surely, 2^65536216751 is an apocalyptic number.

65536216751 is a deficient number, since it is larger than the sum of its proper divisors (1598444353).

65536216751 is a wasteful number, since it uses less digits than its factorization.

65536216751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598444352.

The product of its digits is 1134000, while the sum is 47.

The spelling of 65536216751 in words is "sixty-five billion, five hundred thirty-six million, two hundred sixteen thousand, seven hundred fifty-one".