166539016 has 32 divisors (see below), whose sum is σ = 357698880. Its totient is φ = 71208000.

The previous prime is 166539013. The next prime is 166539017. The reversal of 166539016 is 610935661.

166539016 is digitally balanced in base 2, 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 (166539011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22591 + ... + 29041.

It is an arithmetic number, because the mean of its divisors is an integer number (11178090).

Almost surely, 2^166539016 is an apocalyptic number.

It is an amenable number.

166539016 is an abundant number, since it is smaller than the sum of its proper divisors (191159864).

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

166539016 is a wasteful number, since it uses less digits than its factorization.

166539016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6925 (or 6921 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 166539016 is about 12904.9996512979. Note that the first 3 decimals coincide. The cubic root of 166539016 is about 550.1806745264.

The spelling of 166539016 in words is "one hundred sixty-six million, five hundred thirty-nine thousand, sixteen".