82438064016 has 80 divisors (see below), whose sum is σ = 265514815488. Its totient is φ = 21412483200.

The previous prime is 82438063993. The next prime is 82438064017. The reversal of 82438064016 is 61046083428.

It is a super-2 number, since 2×82438064016² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (82438064017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11148640 + ... + 11156031.

Almost surely, 2^82438064016 is an apocalyptic number.

It is an amenable number.

82438064016 is an abundant number, since it is smaller than the sum of its proper divisors (183076751472).

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

82438064016 is a wasteful number, since it uses less digits than its factorization.

82438064016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22304700 (or 22304694 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 82438064016 in words is "eighty-two billion, four hundred thirty-eight million, sixty-four thousand, sixteen".