2554045665 has 16 divisors (see below), whose sum is σ = 4088961600. Its totient is φ = 1361328192.

The previous prime is 2554045633. The next prime is 2554045717. The reversal of 2554045665 is 5665404552.

It is a happy number.

It is not a de Polignac number, because 2554045665 - 2⁵ = 2554045633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25975 + ... + 76044.

It is an arithmetic number, because the mean of its divisors is an integer number (255560100).

Almost surely, 2^2554045665 is an apocalyptic number.

It is an amenable number.

2554045665 is a deficient number, since it is larger than the sum of its proper divisors (1534915935).

2554045665 is a wasteful number, since it uses less digits than its factorization.

2554045665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103696.

The product of its (nonzero) digits is 720000, while the sum is 42.

The square root of 2554045665 is about 50537.5668686176. The cubic root of 2554045665 is about 1366.9193329860.

The spelling of 2554045665 in words is "two billion, five hundred fifty-four million, forty-five thousand, six hundred sixty-five".