166207142 has 8 divisors (see below), whose sum is σ = 249496416. Its totient is φ = 83041672.

The previous prime is 166207133. The next prime is 166207157. The reversal of 166207142 is 241702661.

166207142 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 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, 27518 + ... + 33009.

It is an arithmetic number, because the mean of its divisors is an integer number (31187052).

Almost surely, 2^166207142 is an apocalyptic number.

166207142 is a deficient number, since it is larger than the sum of its proper divisors (83289274).

166207142 is a wasteful number, since it uses less digits than its factorization.

166207142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61902.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 166207142 is about 12892.1348891485. The cubic root of 166207142 is about 549.8149702666.

The spelling of 166207142 in words is "one hundred sixty-six million, two hundred seven thousand, one hundred forty-two".