6687496080 has 400 divisors, whose sum is σ = 24250305024. Its totient is φ = 1713208320.

The previous prime is 6687496061. The next prime is 6687496087. The reversal of 6687496080 is 806947866.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (6687496087) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 48813772 + ... + 48813908.

Almost surely, 2^6687496080 is an apocalyptic number.

6687496080 is a gapful number since it is divisible by the number (60) 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 6687496080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12125152512).

6687496080 is an abundant number, since it is smaller than the sum of its proper divisors (17562808944).

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

6687496080 is an equidigital number, since it uses as much as digits as its factorization.

6687496080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The square root of 6687496080 is about 81777.1122013978. The cubic root of 6687496080 is about 1884.0301427284.

The spelling of 6687496080 in words is "six billion, six hundred eighty-seven million, four hundred ninety-six thousand, eighty".