6687124356 has 48 divisors (see below), whose sum is σ = 17062536960. Its totient is φ = 2021548320.

The previous prime is 6687124349. The next prime is 6687124357. The reversal of 6687124356 is 6534217866.

It is not an unprimeable number, because it can be changed into a prime (6687124357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5146 + ... + 115761.

It is an arithmetic number, because the mean of its divisors is an integer number (355469520).

Almost surely, 2^6687124356 is an apocalyptic number.

6687124356 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6687124356 is an abundant number, since it is smaller than the sum of its proper divisors (10375412604).

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

6687124356 is a wasteful number, since it uses less digits than its factorization.

6687124356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121344 (or 121342 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 6687124356 is about 81774.8393822941. The cubic root of 6687124356 is about 1883.9952341872.

The spelling of 6687124356 in words is "six billion, six hundred eighty-seven million, one hundred twenty-four thousand, three hundred fifty-six".