65817691346 has 16 divisors (see below), whose sum is σ = 108163924128. Its totient is φ = 29788730400.

The previous prime is 65817691333. The next prime is 65817691391. The reversal of 65817691346 is 64319671856.

It is a junction number, because it is equal to n+sod(n) for n = 65817691291 and 65817691300.

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, 6414860 + ... + 6425111.

It is an arithmetic number, because the mean of its divisors is an integer number (6760245258).

Almost surely, 2^65817691346 is an apocalyptic number.

65817691346 is a deficient number, since it is larger than the sum of its proper divisors (42346232782).

65817691346 is a wasteful number, since it uses less digits than its factorization.

65817691346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12840217.

The product of its digits is 6531840, while the sum is 56.

The spelling of 65817691346 in words is "sixty-five billion, eight hundred seventeen million, six hundred ninety-one thousand, three hundred forty-six".