2254511665 has 8 divisors (see below), whose sum is σ = 3091901760. Its totient is φ = 1545950832.

The previous prime is 2254511663. The next prime is 2254511669. The reversal of 2254511665 is 5661154522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2254511665 - 2¹ = 2254511663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2254511663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32207275 + ... + 32207344.

It is an arithmetic number, because the mean of its divisors is an integer number (386487720).

Almost surely, 2^2254511665 is an apocalyptic number.

It is an amenable number.

2254511665 is a deficient number, since it is larger than the sum of its proper divisors (837390095).

2254511665 is an equidigital number, since it uses as much as digits as its factorization.

2254511665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64414631.

The product of its digits is 72000, while the sum is 37.

The square root of 2254511665 is about 47481.6982109949. The cubic root of 2254511665 is about 1311.2459573249.

The spelling of 2254511665 in words is "two billion, two hundred fifty-four million, five hundred eleven thousand, six hundred sixty-five".