6499108616 has 192 divisors, whose sum is σ = 16595435520. Its totient is φ = 2316936960.

The previous prime is 6499108573. The next prime is 6499108633. The reversal of 6499108616 is 6168019946.

It is a super-4 number, since 4×6499108616⁴ (a number of 40 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16968761 + ... + 16969143.

It is an arithmetic number, because the mean of its divisors is an integer number (86434560).

Almost surely, 2^6499108616 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 6499108616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8297717760).

6499108616 is an abundant number, since it is smaller than the sum of its proper divisors (10096326904).

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

6499108616 is a wasteful number, since it uses less digits than its factorization.

6499108616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596 (or 579 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 6499108616 is about 80617.0491645533. The cubic root of 6499108616 is about 1866.1702642336.

The spelling of 6499108616 in words is "six billion, four hundred ninety-nine million, one hundred eight thousand, six hundred sixteen".