82045638616 has 16 divisors (see below), whose sum is σ = 153887396040. Its totient is φ = 41008999680.

The previous prime is 82045638611. The next prime is 82045638643. The reversal of 82045638616 is 61683654028.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 82045638616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82045638611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1702201 + ... + 1749736.

Almost surely, 2^82045638616 is an apocalyptic number.

It is an amenable number.

82045638616 is a deficient number, since it is larger than the sum of its proper divisors (71841757424).

82045638616 is a wasteful number, since it uses less digits than its factorization.

82045638616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3454914 (or 3454910 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 49.

The spelling of 82045638616 in words is "eighty-two billion, forty-five million, six hundred thirty-eight thousand, six hundred sixteen".