5155635663 has 10 divisors (see below), whose sum is σ = 7701628704. Its totient is φ = 3437090388.

The previous prime is 5155635643. The next prime is 5155635671. The reversal of 5155635663 is 3665365515.

5155635663 is a `hidden beast` number, since 5 + 1 + 5 + 5 + 635 + 6 + 6 + 3 = 666.

It is not a de Polignac number, because 5155635663 - 2⁹ = 5155635151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5155635643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 31824831 + ... + 31824992.

Almost surely, 2^5155635663 is an apocalyptic number.

5155635663 is a deficient number, since it is larger than the sum of its proper divisors (2545993041).

5155635663 is an equidigital number, since it uses as much as digits as its factorization.

5155635663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63649835 (or 63649826 counting only the distinct ones).

The product of its digits is 1215000, while the sum is 45.

The square root of 5155635663 is about 71802.7552605052. The cubic root of 5155635663 is about 1727.5371934052.

The spelling of 5155635663 in words is "five billion, one hundred fifty-five million, six hundred thirty-five thousand, six hundred sixty-three".