16663044266235 has 24 divisors (see below), whose sum is σ = 29248212726720. Its totient is φ = 8774463814272.

The previous prime is 16663044266191. The next prime is 16663044266237. The reversal of 16663044266235 is 53266244036661.

It is not a de Polignac number, because 16663044266235 - 2⁶ = 16663044266171 is a prime.

It is a super-2 number, since 2×16663044266235² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16663044266237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2343603234 + ... + 2343610343.

It is an arithmetic number, because the mean of its divisors is an integer number (1218675530280).

Almost surely, 2^{16663044266235} is an apocalyptic number.

16663044266235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16663044266235 is a deficient number, since it is larger than the sum of its proper divisors (12585168460485).

16663044266235 is a wasteful number, since it uses less digits than its factorization.

16663044266235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4687213667 (or 4687213664 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 54.

The spelling of 16663044266235 in words is "sixteen trillion, six hundred sixty-three billion, forty-four million, two hundred sixty-six thousand, two hundred thirty-five".