6346497816 has 216 divisors, whose sum is σ = 18526222260. Its totient is φ = 1962195840.

The previous prime is 6346497799. The next prime is 6346497823. The reversal of 6346497816 is 6187946436.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 94723815 + ... + 94723881.

Almost surely, 2^6346497816 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 6346497816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9263111130).

6346497816 is an abundant number, since it is smaller than the sum of its proper divisors (12179724444).

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

6346497816 is a wasteful number, since it uses less digits than its factorization.

6346497816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 140 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 6346497816 is about 79664.9095650023. The cubic root of 6346497816 is about 1851.4474006226.

The spelling of 6346497816 in words is "six billion, three hundred forty-six million, four hundred ninety-seven thousand, eight hundred sixteen".