5143578816 has 112 divisors (see below), whose sum is σ = 13960880384. Its totient is φ = 1670409216.

The previous prime is 5143578799. The next prime is 5143578841. The reversal of 5143578816 is 6188753415.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6249381 + ... + 6250203.

Almost surely, 2^5143578816 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 5143578816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6980440192).

5143578816 is an abundant number, since it is smaller than the sum of its proper divisors (8817301568).

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

5143578816 is a wasteful number, since it uses less digits than its factorization.

5143578816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638 (or 1628 counting only the distinct ones).

The product of its digits is 806400, while the sum is 48.

The square root of 5143578816 is about 71718.7480091503. The cubic root of 5143578816 is about 1726.1894831466.

The spelling of 5143578816 in words is "five billion, one hundred forty-three million, five hundred seventy-eight thousand, eight hundred sixteen".