5156243663 has 8 divisors (see below), whose sum is σ = 5172003360. Its totient is φ = 5140499200.

The previous prime is 5156243639. The next prime is 5156243717. The reversal of 5156243663 is 3663426515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-5156243663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5156243663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5156243623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1284806 + ... + 1288812.

It is an arithmetic number, because the mean of its divisors is an integer number (646500420).

Almost surely, 2^5156243663 is an apocalyptic number.

5156243663 is a deficient number, since it is larger than the sum of its proper divisors (15759697).

5156243663 is a wasteful number, since it uses less digits than its factorization.

5156243663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7617.

The product of its digits is 388800, while the sum is 41.

The square root of 5156243663 is about 71806.9889565076. The cubic root of 5156243663 is about 1727.6050997635.

The spelling of 5156243663 in words is "five billion, one hundred fifty-six million, two hundred forty-three thousand, six hundred sixty-three".