166461246 has 48 divisors (see below), whose sum is σ = 436441824. Its totient is φ = 44762112.

The previous prime is 166461241. The next prime is 166461259. The reversal of 166461246 is 642164661.

166461246 is a `hidden beast` number, since 1 + 6 + 646 + 1 + 2 + 4 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 166461246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166461241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36715 + ... + 40998.

It is an arithmetic number, because the mean of its divisors is an integer number (9092538).

Almost surely, 2^166461246 is an apocalyptic number.

166461246 is an abundant number, since it is smaller than the sum of its proper divisors (269980578).

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

166461246 is a wasteful number, since it uses less digits than its factorization.

166461246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77745 (or 77742 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 166461246 is about 12901.9861261745. The cubic root of 166461246 is about 550.0950204975.

The spelling of 166461246 in words is "one hundred sixty-six million, four hundred sixty-one thousand, two hundred forty-six".