16661524288210 has 16 divisors (see below), whose sum is σ = 29991764376000. Its totient is φ = 6664382902576.

The previous prime is 16661524288181. The next prime is 16661524288219. The reversal of 16661524288210 is 1288242516661.

It is a super-2 number, since 2×16661524288210² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16661524288219) 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, 28042900 + ... + 28630879.

It is an arithmetic number, because the mean of its divisors is an integer number (1874485273500).

Almost surely, 2^{16661524288210} is an apocalyptic number.

16661524288210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16661524288210 is a deficient number, since it is larger than the sum of its proper divisors (13330240087790).

16661524288210 is a wasteful number, since it uses less digits than its factorization.

16661524288210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56703185.

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 16661524288210 in words is "sixteen trillion, six hundred sixty-one billion, five hundred twenty-four million, two hundred eighty-eight thousand, two hundred ten".