16064001663 has 16 divisors (see below), whose sum is σ = 21873287520. Its totient is φ = 10482960384.

The previous prime is 16064001563. The next prime is 16064001671. The reversal of 16064001663 is 36610046061.

It is not a de Polignac number, because 16064001663 - 2¹³ = 16063993471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16064001563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47818 + ... + 185511.

It is an arithmetic number, because the mean of its divisors is an integer number (1367080470).

Almost surely, 2^16064001663 is an apocalyptic number.

16064001663 is a deficient number, since it is larger than the sum of its proper divisors (5809285857).

16064001663 is a wasteful number, since it uses less digits than its factorization.

16064001663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233818.

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 16064001663 in words is "sixteen billion, sixty-four million, one thousand, six hundred sixty-three".