166207316 has 12 divisors (see below), whose sum is σ = 317304960. Its totient is φ = 75548760.

The previous prime is 166207309. The next prime is 166207343. The reversal of 166207316 is 613702661.

166207316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1888676 + ... + 1888763.

It is an arithmetic number, because the mean of its divisors is an integer number (26442080).

Almost surely, 2^166207316 is an apocalyptic number.

It is an amenable number.

166207316 is a deficient number, since it is larger than the sum of its proper divisors (151097644).

166207316 is a wasteful number, since it uses less digits than its factorization.

166207316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777454 (or 3777452 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 166207316 is about 12892.1416374472. The cubic root of 166207316 is about 549.8151621311.

Adding to 166207316 its reverse (613702661), we get a palindrome (779909977).

The spelling of 166207316 in words is "one hundred sixty-six million, two hundred seven thousand, three hundred sixteen".