2665005455 has 16 divisors (see below), whose sum is σ = 3847226880. Its totient is φ = 1731251232.

The previous prime is 2665005437. The next prime is 2665005463. The reversal of 2665005455 is 5545005662.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2665005455 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2003099 + ... + 2004428.

It is an arithmetic number, because the mean of its divisors is an integer number (240451680).

Almost surely, 2^2665005455 is an apocalyptic number.

2665005455 is a deficient number, since it is larger than the sum of its proper divisors (1182221425).

2665005455 is a wasteful number, since it uses less digits than its factorization.

2665005455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007558.

The product of its (nonzero) digits is 180000, while the sum is 38.

The square root of 2665005455 is about 51623.6908308579. The cubic root of 2665005455 is about 1386.4345339268.

The spelling of 2665005455 in words is "two billion, six hundred sixty-five million, five thousand, four hundred fifty-five".