166290146 has 8 divisors (see below), whose sum is σ = 272111184. Its totient is φ = 75586420.

The previous prime is 166290133. The next prime is 166290167. The reversal of 166290146 is 641092661.

166290146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3779300 + ... + 3779343.

It is an arithmetic number, because the mean of its divisors is an integer number (34013898).

Almost surely, 2^166290146 is an apocalyptic number.

166290146 is a deficient number, since it is larger than the sum of its proper divisors (105821038).

166290146 is a wasteful number, since it uses less digits than its factorization.

166290146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7558656.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 166290146 is about 12895.3536593612. The cubic root of 166290146 is about 549.9064810692.

The spelling of 166290146 in words is "one hundred sixty-six million, two hundred ninety thousand, one hundred forty-six".