5061857664 has 128 divisors (see below), whose sum is σ = 14514681600. Its totient is φ = 1558194176.

The previous prime is 5061857657. The next prime is 5061857681. The reversal of 5061857664 is 4667581605.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is a congruent number.

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, 246247 + ... + 266009.

It is an arithmetic number, because the mean of its divisors is an integer number (113395950).

Almost surely, 2^5061857664 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 5061857664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7257340800).

5061857664 is an abundant number, since it is smaller than the sum of its proper divisors (9452823936).

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

5061857664 is a wasteful number, since it uses less digits than its factorization.

5061857664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19832 (or 19820 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The square root of 5061857664 is about 71146.7333333021. The cubic root of 5061857664 is about 1716.9987394085.

The spelling of 5061857664 in words is "five billion, sixty-one million, eight hundred fifty-seven thousand, six hundred sixty-four".