166483739 has 4 divisors (see below), whose sum is σ = 170544360. Its totient is φ = 162423120.

The previous prime is 166483721. The next prime is 166483763. The reversal of 166483739 is 937384661.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 166483739 - 2²⁰ = 165435163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166483693 and 166483702.

It is not an unprimeable number, because it can be changed into a prime (166483769) 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, 2030249 + ... + 2030330.

It is an arithmetic number, because the mean of its divisors is an integer number (42636090).

Almost surely, 2^166483739 is an apocalyptic number.

166483739 is a deficient number, since it is larger than the sum of its proper divisors (4060621).

166483739 is an equidigital number, since it uses as much as digits as its factorization.

166483739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4060620.

The product of its digits is 653184, while the sum is 47.

The square root of 166483739 is about 12902.8577842275. The cubic root of 166483739 is about 550.1197964945.

The spelling of 166483739 in words is "one hundred sixty-six million, four hundred eighty-three thousand, seven hundred thirty-nine".