166374705303 has 24 divisors (see below), whose sum is σ = 255423409280. Its totient is φ = 104058568080.

The previous prime is 166374705271. The next prime is 166374705331. The reversal of 166374705303 is 303507473661.

It is a happy number.

166374705303 is a `hidden beast` number, since 1 + 6 + 637 + 4 + 7 + 0 + 5 + 3 + 0 + 3 = 666.

166374705303 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 166374705303 - 2⁵ = 166374705271 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166374705373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4705453 + ... + 4740678.

Almost surely, 2^166374705303 is an apocalyptic number.

166374705303 is a deficient number, since it is larger than the sum of its proper divisors (89048703977).

166374705303 is a wasteful number, since it uses less digits than its factorization.

166374705303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9446259 (or 9446256 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 45.

The spelling of 166374705303 in words is "one hundred sixty-six billion, three hundred seventy-four million, seven hundred five thousand, three hundred three".