6836661406 has 16 divisors (see below), whose sum is σ = 10345081680. Its totient is φ = 3388374720.

The previous prime is 6836661397. The next prime is 6836661409. The reversal of 6836661406 is 6041666386.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6836661409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171280 + ... + 207388.

It is an arithmetic number, because the mean of its divisors is an integer number (646567605).

Almost surely, 2^6836661406 is an apocalyptic number.

6836661406 is a deficient number, since it is larger than the sum of its proper divisors (3508420274).

6836661406 is a wasteful number, since it uses less digits than its factorization.

6836661406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36939.

The product of its (nonzero) digits is 746496, while the sum is 46.

The square root of 6836661406 is about 82684.1061268730. The cubic root of 6836661406 is about 1897.9350979712.

The spelling of 6836661406 in words is "six billion, eight hundred thirty-six million, six hundred sixty-one thousand, four hundred six".