190164101 has 4 divisors (see below), whose sum is σ = 190850892. Its totient is φ = 189477312.

The previous prime is 190164077. The next prime is 190164131. The reversal of 190164101 is 101461091.

190164101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 13790²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101461091 = 769 ⋅131939.

It can be written as a sum of positive squares in 2 ways, for example, as 32787076 + 157377025 = 5726^2 + 12545^2 .

It is a cyclic number.

It is not a de Polignac number, because 190164101 - 2²⁶ = 123055237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190164131) 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, 342980 + ... + 343533.

It is an arithmetic number, because the mean of its divisors is an integer number (47712723).

Almost surely, 2^190164101 is an apocalyptic number.

It is an amenable number.

190164101 is a deficient number, since it is larger than the sum of its proper divisors (686791).

190164101 is an equidigital number, since it uses as much as digits as its factorization.

190164101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686790.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 190164101 is about 13790.0000362582. Note that the first 4 decimals coincide. The cubic root of 190164101 is about 575.0551689977.

The spelling of 190164101 in words is "one hundred ninety million, one hundred sixty-four thousand, one hundred one".