166966337 has 4 divisors (see below), whose sum is σ = 167447856. Its totient is φ = 166484820.

The previous prime is 166966297. The next prime is 166966351. The reversal of 166966337 is 733669661.

It is a happy number.

166966337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 166966337 - 2⁶ = 166966273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166966291 and 166966300.

It is not an unprimeable number, because it can be changed into a prime (166996337) 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, 240239 + ... + 240932.

It is an arithmetic number, because the mean of its divisors is an integer number (41861964).

Almost surely, 2^166966337 is an apocalyptic number.

It is an amenable number.

166966337 is a deficient number, since it is larger than the sum of its proper divisors (481519).

166966337 is an equidigital number, since it uses as much as digits as its factorization.

166966337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481518.

The product of its digits is 734832, while the sum is 47.

The square root of 166966337 is about 12921.5454571038. The cubic root of 166966337 is about 550.6508405456.

The spelling of 166966337 in words is "one hundred sixty-six million, nine hundred sixty-six thousand, three hundred thirty-seven".