166833537 has 16 divisors (see below), whose sum is σ = 247285248. Its totient is φ = 99354240.

The previous prime is 166833523. The next prime is 166833553. The reversal of 166833537 is 735338661.

166833537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166833537 - 2⁴ = 166833521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166833577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67788 + ... + 70205.

It is an arithmetic number, because the mean of its divisors is an integer number (15455328).

Almost surely, 2^166833537 is an apocalyptic number.

It is an amenable number.

166833537 is a deficient number, since it is larger than the sum of its proper divisors (80451711).

166833537 is a wasteful number, since it uses less digits than its factorization.

166833537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138040.

The product of its digits is 272160, while the sum is 42.

The square root of 166833537 is about 12916.4057306977. The cubic root of 166833537 is about 550.5048114537.

The spelling of 166833537 in words is "one hundred sixty-six million, eight hundred thirty-three thousand, five hundred thirty-seven".