8161362786 has 8 divisors (see below), whose sum is σ = 16322725584. Its totient is φ = 2720454260.

The previous prime is 8161362779. The next prime is 8161362791. The reversal of 8161362786 is 6872631618.

It is a sphenic number, since it is the product of 3 distinct primes.

8161362786 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680113560 + ... + 680113571.

It is an arithmetic number, because the mean of its divisors is an integer number (2040340698).

Almost surely, 2^8161362786 is an apocalyptic number.

8161362786 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8161362786 is a wasteful number, since it uses less digits than its factorization.

8161362786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360227136.

The product of its digits is 580608, while the sum is 48.

The square root of 8161362786 is about 90340.2611574706. The cubic root of 8161362786 is about 2013.3574889711.

The spelling of 8161362786 in words is "eight billion, one hundred sixty-one million, three hundred sixty-two thousand, seven hundred eighty-six".