82913481816 has 256 divisors, whose sum is σ = 249293721600. Its totient is φ = 22684147200.

The previous prime is 82913481799. The next prime is 82913481821. The reversal of 82913481816 is 61818431928.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35416806 + ... + 35419146.

It is an arithmetic number, because the mean of its divisors is an integer number (973803600).

Almost surely, 2^82913481816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82913481816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124646860800).

82913481816 is an abundant number, since it is smaller than the sum of its proper divisors (166380239784).

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

82913481816 is a wasteful number, since it uses less digits than its factorization.

82913481816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710 (or 2706 counting only the distinct ones).

The product of its digits is 663552, while the sum is 51.

The spelling of 82913481816 in words is "eighty-two billion, nine hundred thirteen million, four hundred eighty-one thousand, eight hundred sixteen".