8166349 has 4 divisors (see below), whose sum is σ = 8281440. Its totient is φ = 8051260.

The previous prime is 8166337. The next prime is 8166359. The reversal of 8166349 is 9436618.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8166349 - 2⁵ = 8166317 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8166359) 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, 57439 + ... + 57580.

It is an arithmetic number, because the mean of its divisors is an integer number (2070360).

Almost surely, 2^8166349 is an apocalyptic number.

It is an amenable number.

8166349 is a deficient number, since it is larger than the sum of its proper divisors (115091).

8166349 is a wasteful number, since it uses less digits than its factorization.

8166349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115090.

The product of its digits is 31104, while the sum is 37.

The square root of 8166349 is about 2857.6824526179. The cubic root of 8166349 is about 201.3767428169.

It can be divided in two parts, 8166 and 349, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 8166349 in words is "eight million, one hundred sixty-six thousand, three hundred forty-nine".