166480994 has 8 divisors (see below), whose sum is σ = 249806928. Its totient is φ = 83212020.

The previous prime is 166480981. The next prime is 166481011. The reversal of 166480994 is 499084661.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5972 + ... + 19199.

It is an arithmetic number, because the mean of its divisors is an integer number (31225866).

Almost surely, 2^166480994 is an apocalyptic number.

166480994 is a deficient number, since it is larger than the sum of its proper divisors (83325934).

166480994 is a wasteful number, since it uses less digits than its factorization.

166480994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28480.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 166480994 is about 12902.7514120051. The cubic root of 166480994 is about 550.1167730018.

The spelling of 166480994 in words is "one hundred sixty-six million, four hundred eighty thousand, nine hundred ninety-four".