5191680 has 144 divisors (see below), whose sum is σ = 17985240. Its totient is φ = 1277952.

The previous prime is 5191673. The next prime is 5191699. The reversal of 5191680 is 861915.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 399354 + ... + 399366.

Almost surely, 2^5191680 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 5191680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8992620).

5191680 is an abundant number, since it is smaller than the sum of its proper divisors (12793560).

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

5191680 is a wasteful number, since it uses less digits than its factorization.

5191680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56 (or 23 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 5191680 is about 2278.5258392215. The cubic root of 5191680 is about 173.1553729070.

Multiplying 5191680 by its sum of digits (30), we get a square (155750400 = 12480²).

5191680 divided by its sum of digits (30) gives a square (173056 = 416²).

The spelling of 5191680 in words is "five million, one hundred ninety-one thousand, six hundred eighty".