166922101 has 4 divisors (see below), whose sum is σ = 166956192. Its totient is φ = 166888012.

The previous prime is 166922089. The next prime is 166922113. The reversal of 166922101 is 101229661.

It is the 5275-th star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (166922089) and next prime (166922113).

It is a cyclic number.

It is not a de Polignac number, because 166922101 - 2¹¹ = 166920053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 166922101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166922191) 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, 8155 + ... + 20008.

It is an arithmetic number, because the mean of its divisors is an integer number (41739048).

Almost surely, 2^166922101 is an apocalyptic number.

It is an amenable number.

166922101 is a deficient number, since it is larger than the sum of its proper divisors (34091).

166922101 is an equidigital number, since it uses as much as digits as its factorization.

166922101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34090.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 166922101 is about 12919.8336289598. The cubic root of 166922101 is about 550.6022065065.

The spelling of 166922101 in words is "one hundred sixty-six million, nine hundred twenty-two thousand, one hundred one".