166450240 has 56 divisors (see below), whose sum is σ = 432401472. Its totient is φ = 60526080.

The previous prime is 166450237. The next prime is 166450259. The reversal of 166450240 is 42054661.

It is a junction number, because it is equal to n+sod(n) for n = 166450199 and 166450208.

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 7 ways as a sum of consecutive naturals, for example, 20124 + ... + 27163.

Almost surely, 2^166450240 is an apocalyptic number.

166450240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166450240 is an abundant number, since it is smaller than the sum of its proper divisors (265951232).

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

166450240 is a wasteful number, since it uses less digits than its factorization.

166450240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47315 (or 47305 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 166450240 is about 12901.5595956458. The cubic root of 166450240 is about 550.0828965960.

The spelling of 166450240 in words is "one hundred sixty-six million, four hundred fifty thousand, two hundred forty".