166494384 has 60 divisors (see below), whose sum is σ = 532520976. Its totient is φ = 47569536.

The previous prime is 166494371. The next prime is 166494421. The reversal of 166494384 is 483494661.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81579 + ... + 83594.

Almost surely, 2^166494384 is an apocalyptic number.

166494384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

166494384 is an abundant number, since it is smaller than the sum of its proper divisors (366026592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166494384 is a wasteful number, since it uses less digits than its factorization.

166494384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165194 (or 165185 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 166494384 is about 12903.2702831492. The cubic root of 166494384 is about 550.1315211640.

The spelling of 166494384 in words is "one hundred sixty-six million, four hundred ninety-four thousand, three hundred eighty-four".