166845366 has 16 divisors (see below), whose sum is σ = 370767600. Its totient is φ = 55615104.

The previous prime is 166845331. The next prime is 166845373. The reversal of 166845366 is 663548661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1544811 + ... + 1544918.

It is an arithmetic number, because the mean of its divisors is an integer number (23172975).

Almost surely, 2^166845366 is an apocalyptic number.

166845366 is an abundant number, since it is smaller than the sum of its proper divisors (203922234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166845366 is a wasteful number, since it uses less digits than its factorization.

166845366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089740 (or 3089734 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 166845366 is about 12916.8636286058. The cubic root of 166845366 is about 550.5178219624.

The spelling of 166845366 in words is "one hundred sixty-six million, eight hundred forty-five thousand, three hundred sixty-six".