166122275 has 24 divisors (see below), whose sum is σ = 226981008. Its totient is φ = 119600000.

The previous prime is 166122269. The next prime is 166122293. The reversal of 166122275 is 572221661.

It is not a de Polignac number, because 166122275 - 2¹⁸ = 165860131 is a prime.

It is a super-2 number, since 2×166122275² = 55193220502351250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24785 + ... + 30765.

It is an arithmetic number, because the mean of its divisors is an integer number (9457542).

Almost surely, 2^166122275 is an apocalyptic number.

166122275 is a deficient number, since it is larger than the sum of its proper divisors (60858733).

166122275 is a wasteful number, since it uses less digits than its factorization.

166122275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6103 (or 6098 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 166122275 is about 12888.8430435008. The cubic root of 166122275 is about 549.7213740255.

The spelling of 166122275 in words is "one hundred sixty-six million, one hundred twenty-two thousand, two hundred seventy-five".