7905166 has 4 divisors (see below), whose sum is σ = 11857752. Its totient is φ = 3952582.

The previous prime is 7905151. The next prime is 7905167. The reversal of 7905166 is 6615097.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6615097 = 19 ⋅348163.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7905167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1976290 + ... + 1976293.

It is an arithmetic number, because the mean of its divisors is an integer number (2964438).

Almost surely, 2^7905166 is an apocalyptic number.

7905166 is a deficient number, since it is larger than the sum of its proper divisors (3952586).

7905166 is a wasteful number, since it uses less digits than its factorization.

7905166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3952585.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 7905166 is about 2811.6127044812. The cubic root of 7905166 is about 199.2065731986.

The spelling of 7905166 in words is "seven million, nine hundred five thousand, one hundred sixty-six".