166412250 has 48 divisors (see below), whose sum is σ = 449984808. Its totient is φ = 44376000.

The previous prime is 166412249. The next prime is 166412251. The reversal of 166412250 is 52214661.

166412250 is a `hidden beast` number, since 16 + 641 + 2 + 2 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (166412249) and next prime (166412251).

It can be written as a sum of positive squares in 4 ways, for example, as 88566921 + 77845329 = 9411^2 + 8823^2 .

It is not an unprimeable number, because it can be changed into a prime (166412251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34731 + ... + 39230.

Almost surely, 2^166412250 is an apocalyptic number.

166412250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166412250 is an abundant number, since it is smaller than the sum of its proper divisors (283572558).

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

166412250 is a wasteful number, since it uses less digits than its factorization.

166412250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73984 (or 73971 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 166412250 is about 12900.0872090075. The cubic root of 166412250 is about 550.0410437690.

The spelling of 166412250 in words is "one hundred sixty-six million, four hundred twelve thousand, two hundred fifty".