106072165 has 4 divisors (see below), whose sum is σ = 127286604. Its totient is φ = 84857728.

The previous prime is 106072157. The next prime is 106072177. The reversal of 106072165 is 561270601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 561270601 = 307 ⋅1828243.

It can be written as a sum of positive squares in 2 ways, for example, as 18948609 + 87123556 = 4353^2 + 9334^2 .

It is a cyclic number.

It is not a de Polignac number, because 106072165 - 2³ = 106072157 is a prime.

It is a super-2 number, since 2×106072165² = 22502608375574450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10607212 + ... + 10607221.

It is an arithmetic number, because the mean of its divisors is an integer number (31821651).

Almost surely, 2^106072165 is an apocalyptic number.

It is an amenable number.

106072165 is a deficient number, since it is larger than the sum of its proper divisors (21214439).

106072165 is an equidigital number, since it uses as much as digits as its factorization.

106072165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21214438.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 106072165 is about 10299.1341869111. The cubic root of 106072165 is about 473.3697240531.

The spelling of 106072165 in words is "one hundred six million, seventy-two thousand, one hundred sixty-five".