8190081936 has 160 divisors (see below), whose sum is σ = 25350460800. Its totient is φ = 2523156480.

The previous prime is 8190081923. The next prime is 8190081947. The reversal of 8190081936 is 6391800918.

It is a junction number, because it is equal to n+sod(n) for n = 8190081891 and 8190081900.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 324360 + ... + 348696.

It is an arithmetic number, because the mean of its divisors is an integer number (158440380).

Almost surely, 2^8190081936 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 8190081936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12675230400).

8190081936 is an abundant number, since it is smaller than the sum of its proper divisors (17160378864).

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

8190081936 is a wasteful number, since it uses less digits than its factorization.

8190081936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24414 (or 24402 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 8190081936 is about 90499.0714648498. The cubic root of 8190081936 is about 2015.7163362224.

The spelling of 8190081936 in words is "eight billion, one hundred ninety million, eighty-one thousand, nine hundred thirty-six".