166320106 has 8 divisors (see below), whose sum is σ = 256222980. Its totient is φ = 80912448.

The previous prime is 166320103. The next prime is 166320109. The reversal of 166320106 is 601023661.

It is an interprime number because it is at equal distance from previous prime (166320103) and next prime (166320109).

It can be written as a sum of positive squares in 2 ways, for example, as 121550625 + 44769481 = 11025^2 + 6691^2 .

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

It is not an unprimeable number, because it can be changed into a prime (166320103) 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, 1123711 + ... + 1123858.

Almost surely, 2^166320106 is an apocalyptic number.

166320106 is a deficient number, since it is larger than the sum of its proper divisors (89902874).

166320106 is a wasteful number, since it uses less digits than its factorization.

166320106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247608.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 166320106 is about 12896.5152657607. The cubic root of 166320106 is about 549.9395040899.

Adding to 166320106 its reverse (601023661), we get a palindrome (767343767).

The spelling of 166320106 in words is "one hundred sixty-six million, three hundred twenty thousand, one hundred six".