8166090 has 16 divisors (see below), whose sum is σ = 19598688. Its totient is φ = 2177616.

The previous prime is 8166083. The next prime is 8166097. The reversal of 8166090 is 906618.

It is an interprime number because it is at equal distance from previous prime (8166083) and next prime (8166097).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 272203 = 8166090 / (8 + 1 + 6 + 6 + 0 + 9 + 0).

It is not an unprimeable number, because it can be changed into a prime (8166097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136072 + ... + 136131.

It is an arithmetic number, because the mean of its divisors is an integer number (1224918).

Almost surely, 2^8166090 is an apocalyptic number.

8166090 is an abundant number, since it is smaller than the sum of its proper divisors (11432598).

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

8166090 is a wasteful number, since it uses less digits than its factorization.

8166090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272213.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 8166090 is about 2857.6371358169. The cubic root of 8166090 is about 201.3746138717.

The spelling of 8166090 in words is "eight million, one hundred sixty-six thousand, ninety".