2055263661 has 12 divisors (see below), whose sum is σ = 3238597440. Its totient is φ = 1245614280.

The previous prime is 2055263653. The next prime is 2055263663. The reversal of 2055263661 is 1663625502.

It is a happy number.

It is not a de Polignac number, because 2055263661 - 2³ = 2055263653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055263663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10380021 + ... + 10380218.

It is an arithmetic number, because the mean of its divisors is an integer number (269883120).

Almost surely, 2^2055263661 is an apocalyptic number.

It is an amenable number.

2055263661 is a deficient number, since it is larger than the sum of its proper divisors (1183333779).

2055263661 is a wasteful number, since it uses less digits than its factorization.

2055263661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20760256 (or 20760253 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 2055263661 is about 45335.0158376503. The cubic root of 2055263661 is about 1271.4204168762.

The spelling of 2055263661 in words is "two billion, fifty-five million, two hundred sixty-three thousand, six hundred sixty-one".