6618858396 has 48 divisors (see below), whose sum is σ = 16139741184. Its totient is φ = 2107183936.

The previous prime is 6618858361. The next prime is 6618858397. The reversal of 6618858396 is 6938588166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6618858397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169141 + ... + 204563.

It is an arithmetic number, because the mean of its divisors is an integer number (336244608).

Almost surely, 2^6618858396 is an apocalyptic number.

It is an amenable number.

6618858396 is an abundant number, since it is smaller than the sum of its proper divisors (9520882788).

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

6618858396 is a wasteful number, since it uses less digits than its factorization.

6618858396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36130 (or 36128 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 60.

The square root of 6618858396 is about 81356.3666592849. The cubic root of 6618858396 is about 1877.5623298888.

The spelling of 6618858396 in words is "six billion, six hundred eighteen million, eight hundred fifty-eight thousand, three hundred ninety-six".