65068194999680 has 64 divisors (see below), whose sum is σ = 155555941218480. Its totient is φ = 26026895247360.

The previous prime is 65068194999673. The next prime is 65068194999683. The reversal of 65068194999680 is 8699949186056.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (80).

It is a junction number, because it is equal to n+sod(n) for n = 65068194999595 and 65068194999604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65068194999683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44991182 + ... + 46414898.

Almost surely, 2^{65068194999680} is an apocalyptic number.

It is an amenable number.

65068194999680 is an abundant number, since it is smaller than the sum of its proper divisors (90487746218800).

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

65068194999680 is a wasteful number, since it uses less digits than its factorization.

65068194999680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495147 (or 1495135 counting only the distinct ones).

The product of its (nonzero) digits is 1813985280, while the sum is 80.

The spelling of 65068194999680 in words is "sixty-five trillion, sixty-eight billion, one hundred ninety-four million, nine hundred ninety-nine thousand, six hundred eighty".