8168642 has 8 divisors (see below), whose sum is σ = 12265536. Its totient is φ = 4080132.

The previous prime is 8168623. The next prime is 8168669. The reversal of 8168642 is 2468618.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1763 + ... + 4409.

It is an arithmetic number, because the mean of its divisors is an integer number (1533192).

Almost surely, 2^8168642 is an apocalyptic number.

8168642 is a deficient number, since it is larger than the sum of its proper divisors (4096894).

8168642 is a wasteful number, since it uses less digits than its factorization.

8168642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4192.

The product of its digits is 18432, while the sum is 35.

The square root of 8168642 is about 2858.0836236891. The cubic root of 8168642 is about 201.3955890054.

The spelling of 8168642 in words is "eight million, one hundred sixty-eight thousand, six hundred forty-two".