2265166207 has 4 divisors (see below), whose sum is σ = 2398411296. Its totient is φ = 2131921120.

The previous prime is 2265166193. The next prime is 2265166231. The reversal of 2265166207 is 7026615622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2265166207 - 2¹¹ = 2265164159 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 (2265166907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66622519 + ... + 66622552.

It is an arithmetic number, because the mean of its divisors is an integer number (599602824).

Almost surely, 2^2265166207 is an apocalyptic number.

2265166207 is a deficient number, since it is larger than the sum of its proper divisors (133245089).

2265166207 is a wasteful number, since it uses less digits than its factorization.

2265166207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133245088.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 2265166207 is about 47593.7622698605. The cubic root of 2265166207 is about 1313.3083070821.

The spelling of 2265166207 in words is "two billion, two hundred sixty-five million, one hundred sixty-six thousand, two hundred seven".