166456142 has 8 divisors (see below), whose sum is σ = 249848256. Its totient is φ = 83173392.

The previous prime is 166456123. The next prime is 166456159. The reversal of 166456142 is 241654661.

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

It is a congruent 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, 23423 + ... + 29690.

It is an arithmetic number, because the mean of its divisors is an integer number (31231032).

Almost surely, 2^166456142 is an apocalyptic number.

166456142 is a deficient number, since it is larger than the sum of its proper divisors (83392114).

166456142 is a wasteful number, since it uses less digits than its factorization.

166456142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54682.

The product of its digits is 34560, while the sum is 35.

The square root of 166456142 is about 12901.7883256547. The cubic root of 166456142 is about 550.0893981404.

The spelling of 166456142 in words is "one hundred sixty-six million, four hundred fifty-six thousand, one hundred forty-two".