2655564386 has 16 divisors (see below), whose sum is σ = 3997214784. Its totient is φ = 1323167664.

The previous prime is 2655564371. The next prime is 2655564397. The reversal of 2655564386 is 6834655562.

It is a super-3 number, since 3×2655564386³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094771 + ... + 1097193.

It is an arithmetic number, because the mean of its divisors is an integer number (249825924).

Almost surely, 2^2655564386 is an apocalyptic number.

2655564386 is a deficient number, since it is larger than the sum of its proper divisors (1341650398).

2655564386 is a wasteful number, since it uses less digits than its factorization.

2655564386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4105.

The product of its digits is 5184000, while the sum is 50.

The square root of 2655564386 is about 51532.1684581582. The cubic root of 2655564386 is about 1384.7953988841.

The spelling of 2655564386 in words is "two billion, six hundred fifty-five million, five hundred sixty-four thousand, three hundred eighty-six".