166499795 has 24 divisors (see below), whose sum is σ = 253553328. Its totient is φ = 103790400.

The previous prime is 166499779. The next prime is 166499797. The reversal of 166499795 is 597994661.

It is not a de Polignac number, because 166499795 - 2⁴ = 166499779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 166499795.

It is not an unprimeable number, because it can be changed into a prime (166499797) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28196 + ... + 33585.

It is an arithmetic number, because the mean of its divisors is an integer number (10564722).

Almost surely, 2^166499795 is an apocalyptic number.

166499795 is a deficient number, since it is larger than the sum of its proper divisors (87053533).

166499795 is a wasteful number, since it uses less digits than its factorization.

166499795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61811 (or 61804 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 56.

The square root of 166499795 is about 12903.4799569728. The cubic root of 166499795 is about 550.1374807833.

The spelling of 166499795 in words is "one hundred sixty-six million, four hundred ninety-nine thousand, seven hundred ninety-five".