166234274 has 8 divisors (see below), whose sum is σ = 249482268. Its totient is φ = 83073520.

The previous prime is 166234241. The next prime is 166234283. The reversal of 166234274 is 472432661.

It can be written as a sum of positive squares in 2 ways, for example, as 146047225 + 20187049 = 12085^2 + 4493^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16817 + ... + 24804.

Almost surely, 2^166234274 is an apocalyptic number.

166234274 is a deficient number, since it is larger than the sum of its proper divisors (83247994).

166234274 is a wasteful number, since it uses less digits than its factorization.

166234274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43620.

The product of its digits is 48384, while the sum is 35.

The square root of 166234274 is about 12893.1871156825. The cubic root of 166234274 is about 549.8448862857.

The spelling of 166234274 in words is "one hundred sixty-six million, two hundred thirty-four thousand, two hundred seventy-four".