166233134 has 4 divisors (see below), whose sum is σ = 249349704. Its totient is φ = 83116566.

The previous prime is 166233101. The next prime is 166233139. The reversal of 166233134 is 431332661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431332661 = 19 ⋅22701719.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 166233097 and 166233106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166233139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41558282 + ... + 41558285.

It is an arithmetic number, because the mean of its divisors is an integer number (62337426).

Almost surely, 2^166233134 is an apocalyptic number.

166233134 is a deficient number, since it is larger than the sum of its proper divisors (83116570).

166233134 is an equidigital number, since it uses as much as digits as its factorization.

166233134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83116569.

The product of its digits is 7776, while the sum is 29.

The square root of 166233134 is about 12893.1429062118. The cubic root of 166233134 is about 549.8436293756.

Adding to 166233134 its reverse (431332661), we get a palindrome (597565795).

The spelling of 166233134 in words is "one hundred sixty-six million, two hundred thirty-three thousand, one hundred thirty-four".