2163694006 has 16 divisors (see below), whose sum is σ = 3440810016. Its totient is φ = 1016918656.

The previous prime is 2163693997. The next prime is 2163694033. The reversal of 2163694006 is 6004963612.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12826 + ... + 67021.

It is an arithmetic number, because the mean of its divisors is an integer number (215050626).

Almost surely, 2^2163694006 is an apocalyptic number.

2163694006 is a deficient number, since it is larger than the sum of its proper divisors (1277116010).

2163694006 is a wasteful number, since it uses less digits than its factorization.

2163694006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80663.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 2163694006 is about 46515.5243547786. The cubic root of 2163694006 is about 1293.3972919947.

The spelling of 2163694006 in words is "two billion, one hundred sixty-three million, six hundred ninety-four thousand, six".