166683337 has 4 divisors (see below), whose sum is σ = 169171216. Its totient is φ = 164195460.

The previous prime is 166683331. The next prime is 166683343. The reversal of 166683337 is 733386661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (166683331) and next prime (166683343).

It is a cyclic number.

It is not a de Polignac number, because 166683337 - 2¹¹ = 166681289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166683293 and 166683302.

It is not an unprimeable number, because it can be changed into a prime (166683331) 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, 1243839 + ... + 1243972.

It is an arithmetic number, because the mean of its divisors is an integer number (42292804).

Almost surely, 2^166683337 is an apocalyptic number.

It is an amenable number.

166683337 is a deficient number, since it is larger than the sum of its proper divisors (2487879).

166683337 is an equidigital number, since it uses as much as digits as its factorization.

166683337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487878.

The product of its digits is 326592, while the sum is 43.

The square root of 166683337 is about 12910.5901104481. The cubic root of 166683337 is about 550.3395556134.

The spelling of 166683337 in words is "one hundred sixty-six million, six hundred eighty-three thousand, three hundred thirty-seven".