2664506265 has 16 divisors (see below), whose sum is σ = 4400733696. Its totient is φ = 1375228800.

The previous prime is 2664506239. The next prime is 2664506267. The reversal of 2664506265 is 5626054662.

2664506265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2664506265 - 2¹⁶ = 2664440729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2664506267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2864596 + ... + 2865525.

It is an arithmetic number, because the mean of its divisors is an integer number (275045856).

Almost surely, 2^2664506265 is an apocalyptic number.

It is an amenable number.

2664506265 is a deficient number, since it is larger than the sum of its proper divisors (1736227431).

2664506265 is a wasteful number, since it uses less digits than its factorization.

2664506265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5730160.

The product of its (nonzero) digits is 518400, while the sum is 42.

The square root of 2664506265 is about 51618.8557118424. The cubic root of 2664506265 is about 1386.3479628129.

The spelling of 2664506265 in words is "two billion, six hundred sixty-four million, five hundred six thousand, two hundred sixty-five".