5168368458 has 384 divisors, whose sum is σ = 14520280320. Its totient is φ = 1358622720.

The previous prime is 5168368451. The next prime is 5168368459. The reversal of 5168368458 is 8548638615.

5168368458 is a `hidden beast` number, since 51 + 6 + 83 + 68 + 458 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (5168368451) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 97516360 + ... + 97516412.

It is an arithmetic number, because the mean of its divisors is an integer number (37813230).

Almost surely, 2^5168368458 is an apocalyptic number.

5168368458 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5168368458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7260140160).

5168368458 is an abundant number, since it is smaller than the sum of its proper divisors (9351911862).

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

5168368458 is a wasteful number, since it uses less digits than its factorization.

5168368458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 152 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 54.

The square root of 5168368458 is about 71891.3656707118. The cubic root of 5168368458 is about 1728.9581816945.

The spelling of 5168368458 in words is "five billion, one hundred sixty-eight million, three hundred sixty-eight thousand, four hundred fifty-eight".