5191693056 has 324 divisors, whose sum is σ = 17017293384. Its totient is φ = 1567641600.

The previous prime is 5191693043. The next prime is 5191693079. The reversal of 5191693056 is 6503961915.

It is a tau number, because it is divible by the number of its divisors (324).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18475636 + ... + 18475916.

Almost surely, 2^5191693056 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 5191693056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8508646692).

5191693056 is an abundant number, since it is smaller than the sum of its proper divisors (11825600328).

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

5191693056 is an frugal number, since it uses more digits than its factorization.

5191693056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 45.

The square root of 5191693056 is about 72053.4041943890. The cubic root of 5191693056 is about 1731.5551805689. Note that the first 3 decimals are identical.

It can be divided in two parts, 519169 and 3056, that added together give a palindrome (522225).

The spelling of 5191693056 in words is "five billion, one hundred ninety-one million, six hundred ninety-three thousand, fifty-six".