16529940866 has 16 divisors (see below), whose sum is σ = 24973620000. Its totient is φ = 8205573888.

The previous prime is 16529940859. The next prime is 16529940877. The reversal of 16529940866 is 66804992561.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149705 + ... + 235523.

It is an arithmetic number, because the mean of its divisors is an integer number (1560851250).

Almost surely, 2^16529940866 is an apocalyptic number.

16529940866 is a deficient number, since it is larger than the sum of its proper divisors (8443679134).

16529940866 is a wasteful number, since it uses less digits than its factorization.

16529940866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86513.

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 16529940866 in words is "sixteen billion, five hundred twenty-nine million, nine hundred forty thousand, eight hundred sixty-six".