166365674 has 16 divisors (see below), whose sum is σ = 251439936. Its totient is φ = 82555200.

The previous prime is 166365673. The next prime is 166365679. The reversal of 166365674 is 476563661.

166365674 is digitally balanced in base 3, 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 (166365671) 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, 263339 + ... + 263969.

It is an arithmetic number, because the mean of its divisors is an integer number (15714996).

Almost surely, 2^166365674 is an apocalyptic number.

166365674 is a deficient number, since it is larger than the sum of its proper divisors (85074262).

166365674 is a wasteful number, since it uses less digits than its factorization.

166365674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421.

The product of its digits is 544320, while the sum is 44.

The square root of 166365674 is about 12898.2818235608. The cubic root of 166365674 is about 549.9897232240.

The spelling of 166365674 in words is "one hundred sixty-six million, three hundred sixty-five thousand, six hundred seventy-four".