2655144646 has 32 divisors (see below), whose sum is σ = 4968536832. Its totient is φ = 1033832160.

The previous prime is 2655144631. The next prime is 2655144649. The reversal of 2655144646 is 6464415562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655144649) 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, 301660 + ... + 310336.

It is an arithmetic number, because the mean of its divisors is an integer number (155266776).

Almost surely, 2^2655144646 is an apocalyptic number.

2655144646 is a deficient number, since it is larger than the sum of its proper divisors (2313392186).

2655144646 is a wasteful number, since it uses less digits than its factorization.

2655144646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10684.

The product of its digits is 691200, while the sum is 43.

The square root of 2655144646 is about 51528.0956954553. The cubic root of 2655144646 is about 1384.7224345266.

The spelling of 2655144646 in words is "two billion, six hundred fifty-five million, one hundred forty-four thousand, six hundred forty-six".