6834664386 has 32 divisors (see below), whose sum is σ = 16568884800. Its totient is φ = 2071110240.

The previous prime is 6834664379. The next prime is 6834664391.

6834664386 is a `hidden beast` number, since 68 + 3 + 466 + 43 + 86 = 666.

6834664386 is nontrivially palindromic in base 10.

6834664386 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×6834664386³ (a number of 30 digits) contains 333 as substring.

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

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, 5752491 + ... + 5753678.

It is an arithmetic number, because the mean of its divisors is an integer number (517777650).

Almost surely, 2^6834664386 is an apocalyptic number.

6834664386 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6834664386 is an abundant number, since it is smaller than the sum of its proper divisors (9734220414).

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

6834664386 is a wasteful number, since it uses less digits than its factorization.

6834664386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11506191 (or 11506185 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 54.

The square root of 6834664386 is about 82672.0290424760. The cubic root of 6834664386 is about 1897.7502814733.

The spelling of 6834664386 in words is "six billion, eight hundred thirty-four million, six hundred sixty-four thousand, three hundred eighty-six".