166844072 has 16 divisors (see below), whose sum is σ = 313690560. Its totient is φ = 83193264.

The previous prime is 166844071. The next prime is 166844081. The reversal of 166844072 is 270448661.

166844072 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (166844071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25478 + ... + 31349.

It is an arithmetic number, because the mean of its divisors is an integer number (19605660).

Almost surely, 2^166844072 is an apocalyptic number.

It is an amenable number.

166844072 is a deficient number, since it is larger than the sum of its proper divisors (146846488).

166844072 is a wasteful number, since it uses less digits than its factorization.

166844072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57200 (or 57196 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 166844072 is about 12916.8135389499. The cubic root of 166844072 is about 550.5163987445.

The spelling of 166844072 in words is "one hundred sixty-six million, eight hundred forty-four thousand, seventy-two".