166308494 has 32 divisors (see below), whose sum is σ = 276756480. Its totient is φ = 74325600.

The previous prime is 166308487. The next prime is 166308529. The reversal of 166308494 is 494803661.

166308494 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534599 + ... + 534909.

It is an arithmetic number, because the mean of its divisors is an integer number (8648640).

Almost surely, 2^166308494 is an apocalyptic number.

166308494 is a deficient number, since it is larger than the sum of its proper divisors (110447986).

166308494 is a wasteful number, since it uses less digits than its factorization.

166308494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 166308494 is about 12896.0650587689. The cubic root of 166308494 is about 549.9267053845.

The spelling of 166308494 in words is "one hundred sixty-six million, three hundred eight thousand, four hundred ninety-four".