2504106665 has 16 divisors (see below), whose sum is σ = 3042738000. Its totient is φ = 1978236672.

The previous prime is 2504106643. The next prime is 2504106667. The reversal of 2504106665 is 5666014052.

It can be written as a sum of positive squares in 8 ways, for example, as 390773824 + 2113332841 = 19768^2 + 45971^2 .

It is a cyclic number.

It is not a de Polignac number, because 2504106665 - 2⁶ = 2504106601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2504106667) 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 15 ways as a sum of consecutive naturals, for example, 119171 + ... + 138599.

It is an arithmetic number, because the mean of its divisors is an integer number (190171125).

Almost surely, 2^2504106665 is an apocalyptic number.

It is an amenable number.

2504106665 is a deficient number, since it is larger than the sum of its proper divisors (538631335).

2504106665 is a wasteful number, since it uses less digits than its factorization.

2504106665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19756.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 2504106665 is about 50041.0497991399. The cubic root of 2504106665 is about 1357.9515486758.

The spelling of 2504106665 in words is "two billion, five hundred four million, one hundred six thousand, six hundred sixty-five".