5318138658 has 48 divisors (see below), whose sum is σ = 12379699584. Its totient is φ = 1518622560.

The previous prime is 5318138633. The next prime is 5318138711. The reversal of 5318138658 is 8568318135.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 684391 + ... + 692117.

It is an arithmetic number, because the mean of its divisors is an integer number (257910408).

Almost surely, 2^5318138658 is an apocalyptic number.

5318138658 is an abundant number, since it is smaller than the sum of its proper divisors (7061560926).

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

5318138658 is a wasteful number, since it uses less digits than its factorization.

5318138658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10087 (or 10080 counting only the distinct ones).

The product of its digits is 691200, while the sum is 48.

The square root of 5318138658 is about 72925.5693018574. The cubic root of 5318138658 is about 1745.5001298233.

The spelling of 5318138658 in words is "five billion, three hundred eighteen million, one hundred thirty-eight thousand, six hundred fifty-eight".