166651106 has 8 divisors (see below), whose sum is σ = 250292700. Its totient is φ = 83220208.

The previous prime is 166651103. The next prime is 166651193. The reversal of 166651106 is 601156661.

166651106 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 165765625 + 885481 = 12875^2 + 941^2 .

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

It is a super-2 number, since 2×166651106² = 55545182262046472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166651103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50681 + ... + 53868.

Almost surely, 2^166651106 is an apocalyptic number.

166651106 is a deficient number, since it is larger than the sum of its proper divisors (83641594).

166651106 is a wasteful number, since it uses less digits than its factorization.

166651106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105348.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 166651106 is about 12909.3418112621. The cubic root of 166651106 is about 550.3040808863.

It can be divided in two parts, 16665 and 1106, that added together give a palindrome (17771).

The spelling of 166651106 in words is "one hundred sixty-six million, six hundred fifty-one thousand, one hundred six".