8159818 has 8 divisors (see below), whose sum is σ = 12447360. Its totient is φ = 4010700.

The previous prime is 8159807. The next prime is 8159819. The reversal of 8159818 is 8189518.

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

It is not an unprimeable number, because it can be changed into a prime (8159819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34458 + ... + 34693.

It is an arithmetic number, because the mean of its divisors is an integer number (1555920).

Almost surely, 2^8159818 is an apocalyptic number.

8159818 is a deficient number, since it is larger than the sum of its proper divisors (4287542).

8159818 is a wasteful number, since it uses less digits than its factorization.

8159818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69212.

The product of its digits is 23040, while the sum is 40.

The square root of 8159818 is about 2856.5395148676. The cubic root of 8159818 is about 201.3230451253.

The spelling of 8159818 in words is "eight million, one hundred fifty-nine thousand, eight hundred eighteen".