5156663388 has 48 divisors (see below), whose sum is σ = 12588737280. Its totient is φ = 1639782144.

The previous prime is 5156663387. The next prime is 5156663389. The reversal of 5156663388 is 8833666515.

It is an interprime number because it is at equal distance from previous prime (5156663387) and next prime (5156663389).

It is a self number, because there is not a number n which added to its sum of digits gives 5156663388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5156663381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79956 + ... + 129252.

It is an arithmetic number, because the mean of its divisors is an integer number (262265360).

Almost surely, 2^5156663388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5156663388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6294368640).

5156663388 is an abundant number, since it is smaller than the sum of its proper divisors (7432073892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5156663388 is a wasteful number, since it uses less digits than its factorization.

5156663388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49706 (or 49704 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 51.

The square root of 5156663388 is about 71809.9114885961. The cubic root of 5156663388 is about 1727.6519749323.

The spelling of 5156663388 in words is "five billion, one hundred fifty-six million, six hundred sixty-three thousand, three hundred eighty-eight".