166506462 has 32 divisors (see below), whose sum is σ = 389491200. Its totient is φ = 52580664.

The previous prime is 166506433. The next prime is 166506491. The reversal of 166506462 is 264605661.

It is a happy number.

166506462 is a `hidden beast` number, since 1 + 6 + 6 + 5 + 0 + 646 + 2 = 666.

166506462 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (166506433) and next prime (166506491).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 80118 + ... + 82169.

It is an arithmetic number, because the mean of its divisors is an integer number (12171600).

Almost surely, 2^166506462 is an apocalyptic number.

166506462 is an abundant number, since it is smaller than the sum of its proper divisors (222984738).

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

166506462 is a wasteful number, since it uses less digits than its factorization.

166506462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162317 (or 162311 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 166506462 is about 12903.7382955483. The cubic root of 166506462 is about 550.1448235703.

The spelling of 166506462 in words is "one hundred sixty-six million, five hundred six thousand, four hundred sixty-two".