167142166 has 4 divisors (see below), whose sum is σ = 250713252. Its totient is φ = 83571082.

The previous prime is 167142139. The next prime is 167142169. The reversal of 167142166 is 661241761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 661241761 = 113 ⋅5851697.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167142169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41785540 + ... + 41785543.

It is an arithmetic number, because the mean of its divisors is an integer number (62678313).

Almost surely, 2^167142166 is an apocalyptic number.

167142166 is a deficient number, since it is larger than the sum of its proper divisors (83571086).

167142166 is an equidigital number, since it uses as much as digits as its factorization.

167142166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83571085.

The product of its digits is 12096, while the sum is 34.

The square root of 167142166 is about 12928.3473808527. The cubic root of 167142166 is about 550.8440659620.

The spelling of 167142166 in words is "one hundred sixty-seven million, one hundred forty-two thousand, one hundred sixty-six".