2503664655 has 16 divisors (see below), whose sum is σ = 4180032000. Its totient is φ = 1277231648.

The previous prime is 2503664651. The next prime is 2503664689. The reversal of 2503664655 is 5564663052.

2503664655 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2503664655 - 2² = 2503664651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2503664651) 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, 3628155 + ... + 3628844.

It is an arithmetic number, because the mean of its divisors is an integer number (261252000).

Almost surely, 2^2503664655 is an apocalyptic number.

2503664655 is a deficient number, since it is larger than the sum of its proper divisors (1676367345).

2503664655 is a wasteful number, since it uses less digits than its factorization.

2503664655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7257030.

The product of its (nonzero) digits is 648000, while the sum is 42.

The square root of 2503664655 is about 50036.6331301378. The cubic root of 2503664655 is about 1357.8716448000.

The spelling of 2503664655 in words is "two billion, five hundred three million, six hundred sixty-four thousand, six hundred fifty-five".