6685958334 has 48 divisors (see below), whose sum is σ = 14783294736. Its totient is φ = 2014298880.

The previous prime is 6685958327. The next prime is 6685958359. The reversal of 6685958334 is 4338595866.

It is a happy number.

It is a congruent number.

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, 98982 + ... + 152214.

It is an arithmetic number, because the mean of its divisors is an integer number (307985307).

Almost surely, 2^6685958334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6685958334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7391647368).

6685958334 is an abundant number, since it is smaller than the sum of its proper divisors (8097336402).

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

6685958334 is a wasteful number, since it uses less digits than its factorization.

6685958334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53433 (or 53422 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 57.

The square root of 6685958334 is about 81767.7096047089. The cubic root of 6685958334 is about 1883.8857248541.

The spelling of 6685958334 in words is "six billion, six hundred eighty-five million, nine hundred fifty-eight thousand, three hundred thirty-four".