6616495104 has 88 divisors (see below), whose sum is σ = 18112314528. Its totient is φ = 2145853440.

The previous prime is 6616495079. The next prime is 6616495111. The reversal of 6616495104 is 4015946166.

It is a super-2 number, since 2×6616495104² = 87556014922511941632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84559 + ... + 142769.

It is an arithmetic number, because the mean of its divisors is an integer number (205821756).

Almost surely, 2^6616495104 is an apocalyptic number.

6616495104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6616495104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9056157264).

6616495104 is an abundant number, since it is smaller than the sum of its proper divisors (11495819424).

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

6616495104 is a wasteful number, since it uses less digits than its factorization.

6616495104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58271 (or 58253 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 6616495104 is about 81341.8410413730. The cubic root of 6616495104 is about 1877.3388393721.

The spelling of 6616495104 in words is "six billion, six hundred sixteen million, four hundred ninety-five thousand, one hundred four".