65696366814 has 16 divisors (see below), whose sum is σ = 141499867152. Its totient is φ = 20214266688.

The previous prime is 65696366803. The next prime is 65696366821. The reversal of 65696366814 is 41866369656.

It is a happy number.

It is a super-2 number, since 2×65696366814² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421130479 + ... + 421130634.

It is an arithmetic number, because the mean of its divisors is an integer number (8843741697).

Almost surely, 2^65696366814 is an apocalyptic number.

65696366814 is an abundant number, since it is smaller than the sum of its proper divisors (75803500338).

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

65696366814 is a wasteful number, since it uses less digits than its factorization.

65696366814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842261131.

The product of its digits is 33592320, while the sum is 60.

The spelling of 65696366814 in words is "sixty-five billion, six hundred ninety-six million, three hundred sixty-six thousand, eight hundred fourteen".