166651162 has 4 divisors (see below), whose sum is σ = 249976746. Its totient is φ = 83325580.

The previous prime is 166651103. The next prime is 166651193. The reversal of 166651162 is 261156661.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 163865601 + 2785561 = 12801^2 + 1669^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41662789 + ... + 41662792.

Almost surely, 2^166651162 is an apocalyptic number.

166651162 is a deficient number, since it is larger than the sum of its proper divisors (83325584).

166651162 is an equidigital number, since it uses as much as digits as its factorization.

166651162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83325583.

The product of its digits is 12960, while the sum is 34.

The square root of 166651162 is about 12909.3439802339. The cubic root of 166651162 is about 550.3041425261.

The spelling of 166651162 in words is "one hundred sixty-six million, six hundred fifty-one thousand, one hundred sixty-two".