166495412 has 12 divisors (see below), whose sum is σ = 299242020. Its totient is φ = 80997696.

The previous prime is 166495411. The next prime is 166495453. The reversal of 166495412 is 214594661.

It can be written as a sum of positive squares in 2 ways, for example, as 159921316 + 6574096 = 12646^2 + 2564^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166495411) 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, 562337 + ... + 562632.

It is an arithmetic number, because the mean of its divisors is an integer number (24936835).

Almost surely, 2^166495412 is an apocalyptic number.

It is an amenable number.

166495412 is a deficient number, since it is larger than the sum of its proper divisors (132746608).

166495412 is a wasteful number, since it uses less digits than its factorization.

166495412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125010 (or 1125008 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 166495412 is about 12903.3101179504. The cubic root of 166495412 is about 550.1326534025.

The spelling of 166495412 in words is "one hundred sixty-six million, four hundred ninety-five thousand, four hundred twelve".