8166953 has 4 divisors (see below), whose sum is σ = 8647380. Its totient is φ = 7686528.

The previous prime is 8166943. The next prime is 8166959. The reversal of 8166953 is 3596618.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3596618 = 2 ⋅1798309.

It can be written as a sum of positive squares in 2 ways, for example, as 4214809 + 3952144 = 2053^2 + 1988^2 .

It is a cyclic number.

It is not a de Polignac number, because 8166953 - 2⁴ = 8166937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8166959) 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 3 ways as a sum of consecutive naturals, for example, 240188 + ... + 240221.

It is an arithmetic number, because the mean of its divisors is an integer number (2161845).

Almost surely, 2^8166953 is an apocalyptic number.

It is an amenable number.

8166953 is a deficient number, since it is larger than the sum of its proper divisors (480427).

8166953 is a wasteful number, since it uses less digits than its factorization.

8166953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480426.

The product of its digits is 38880, while the sum is 38.

The square root of 8166953 is about 2857.7881307053. The cubic root of 8166953 is about 201.3817074407.

It can be divided in two parts, 8166 and 953, that added together give a palindrome (9119).

The spelling of 8166953 in words is "eight million, one hundred sixty-six thousand, nine hundred fifty-three".