5216645344 has 12 divisors (see below), whose sum is σ = 10270270584. Its totient is φ = 2608322656.

The previous prime is 5216645321. The next prime is 5216645389. The reversal of 5216645344 is 4435466125.

It is a junction number, because it is equal to n+sod(n) for n = 5216645297 and 5216645306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81510052 + ... + 81510115.

It is an arithmetic number, because the mean of its divisors is an integer number (855855882).

Almost surely, 2^5216645344 is an apocalyptic number.

It is an amenable number.

5216645344 is a deficient number, since it is larger than the sum of its proper divisors (5053625240).

5216645344 is a wasteful number, since it uses less digits than its factorization.

5216645344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163020177 (or 163020169 counting only the distinct ones).

The product of its digits is 345600, while the sum is 40.

The square root of 5216645344 is about 72226.3479901898. The cubic root of 5216645344 is about 1734.3248119834.

The spelling of 5216645344 in words is "five billion, two hundred sixteen million, six hundred forty-five thousand, three hundred forty-four".