8160390000 has 300 divisors, whose sum is σ = 32617446576. Its totient is φ = 1865088000.

The previous prime is 8160389987. The next prime is 8160390001. The reversal of 8160390000 is 930618.

It is a tau number, because it is divible by the number of its divisors (300).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8160390001) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 623524 + ... + 636476.

Almost surely, 2^8160390000 is an apocalyptic number.

8160390000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8160390000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16308723288).

8160390000 is an abundant number, since it is smaller than the sum of its proper divisors (24457056576).

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

8160390000 is a wasteful number, since it uses less digits than its factorization.

8160390000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12994 (or 12970 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 8160390000 is about 90334.8769855807. The cubic root of 8160390000 is about 2013.2774923721.

The spelling of 8160390000 in words is "eight billion, one hundred sixty million, three hundred ninety thousand".