4805661655 has 4 divisors (see below), whose sum is σ = 5766793992. Its totient is φ = 3844529320.

The previous prime is 4805661649. The next prime is 4805661667. The reversal of 4805661655 is 5561665084.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4805661655 - 2¹⁵ = 4805628887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480566161 + ... + 480566170.

It is an arithmetic number, because the mean of its divisors is an integer number (1441698498).

Almost surely, 2^4805661655 is an apocalyptic number.

4805661655 is a deficient number, since it is larger than the sum of its proper divisors (961132337).

4805661655 is an equidigital number, since it uses as much as digits as its factorization.

4805661655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961132336.

The product of its (nonzero) digits is 864000, while the sum is 46.

The square root of 4805661655 is about 69322.8797367795. The cubic root of 4805661655 is about 1687.5282956755.

The spelling of 4805661655 in words is "four billion, eight hundred five million, six hundred sixty-one thousand, six hundred fifty-five".