166424246 has 4 divisors (see below), whose sum is σ = 249636372. Its totient is φ = 83212122.

The previous prime is 166424201. The next prime is 166424257. The reversal of 166424246 is 642424661.

166424246 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 642424661 = 23 ⋅27931507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41606060 + ... + 41606063.

It is an arithmetic number, because the mean of its divisors is an integer number (62409093).

Almost surely, 2^166424246 is an apocalyptic number.

166424246 is a deficient number, since it is larger than the sum of its proper divisors (83212126).

166424246 is an equidigital number, since it uses as much as digits as its factorization.

166424246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83212125.

The product of its digits is 55296, while the sum is 35.

The square root of 166424246 is about 12900.5521587256. The cubic root of 166424246 is about 550.0542602115.

The spelling of 166424246 in words is "one hundred sixty-six million, four hundred twenty-four thousand, two hundred forty-six".