70166 has 4 divisors (see below), whose sum is σ = 105252. Its totient is φ = 35082.

The previous prime is 70163. The next prime is 70177. The reversal of 70166 is 66107.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17540 + ... + 17543.

It is an arithmetic number, because the mean of its divisors is an integer number (26313).

2⁷⁰¹⁶⁶ is an apocalyptic number.

70166 is a deficient number, since it is larger than the sum of its proper divisors (35086).

70166 is a wasteful number, since it uses less digits than its factorization.

70166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35085.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 70166 is about 264.8886558537. Note that the first 3 decimals coincide. The cubic root of 70166 is about 41.2454050590.

It can be divided in two parts, 701 and 66, that added together give a palindrome (767).

The spelling of 70166 in words is "seventy thousand, one hundred sixty-six".