6686996059 has 16 divisors (see below), whose sum is σ = 7307748000. Its totient is φ = 6094690560.

The previous prime is 6686996047. The next prime is 6686996101. The reversal of 6686996059 is 9506996866.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6686996059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6686996009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133237 + ... + 176425.

It is an arithmetic number, because the mean of its divisors is an integer number (456734250).

Almost surely, 2^6686996059 is an apocalyptic number.

6686996059 is a deficient number, since it is larger than the sum of its proper divisors (620751941).

6686996059 is a wasteful number, since it uses less digits than its factorization.

6686996059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43518.

The product of its (nonzero) digits is 37791360, while the sum is 64.

The square root of 6686996059 is about 81774.0549257526. The cubic root of 6686996059 is about 1883.9831855362.

The spelling of 6686996059 in words is "six billion, six hundred eighty-six million, nine hundred ninety-six thousand, fifty-nine".