65999758114 has 8 divisors (see below), whose sum is σ = 99216267948. Its totient is φ = 32927668800.

The previous prime is 65999758109. The next prime is 65999758117. The reversal of 65999758114 is 41185799956.

It can be written as a sum of positive squares in 2 ways, for example, as 65809180089 + 190578025 = 256533^2 + 13805^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×65999758114² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65999758117) 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, 36103987 + ... + 36105814.

Almost surely, 2^65999758114 is an apocalyptic number.

65999758114 is a deficient number, since it is larger than the sum of its proper divisors (33216509834).

65999758114 is a wasteful number, since it uses less digits than its factorization.

65999758114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72210260.

The product of its digits is 24494400, while the sum is 64.

The spelling of 65999758114 in words is "sixty-five billion, nine hundred ninety-nine million, seven hundred fifty-eight thousand, one hundred fourteen".