6687099115 has 16 divisors (see below), whose sum is σ = 8449103520. Its totient is φ = 5066772480.

The previous prime is 6687099109. The next prime is 6687099127. The reversal of 6687099115 is 5119907866.

It is not a de Polignac number, because 6687099115 - 2¹³ = 6687090923 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490795 + ... + 504235.

It is an arithmetic number, because the mean of its divisors is an integer number (528068970).

Almost surely, 2^6687099115 is an apocalyptic number.

6687099115 is a deficient number, since it is larger than the sum of its proper divisors (1762004405).

6687099115 is a wasteful number, since it uses less digits than its factorization.

6687099115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18702.

The product of its (nonzero) digits is 816480, while the sum is 52.

The square root of 6687099115 is about 81774.6850498368. The cubic root of 6687099115 is about 1883.9928637620.

The spelling of 6687099115 in words is "six billion, six hundred eighty-seven million, ninety-nine thousand, one hundred fifteen".