16490889704 has 16 divisors (see below), whose sum is σ = 31917851520. Its totient is φ = 7979462640.

The previous prime is 16490889703. The next prime is 16490889713. The reversal of 16490889704 is 40798809461.

It is a self number, because there is not a number n which added to its sum of digits gives 16490889704.

It is not an unprimeable number, because it can be changed into a prime (16490889703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33247514 + ... + 33248009.

It is an arithmetic number, because the mean of its divisors is an integer number (1994865720).

Almost surely, 2^16490889704 is an apocalyptic number.

It is an amenable number.

16490889704 is a deficient number, since it is larger than the sum of its proper divisors (15426961816).

16490889704 is a wasteful number, since it uses less digits than its factorization.

16490889704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66495560 (or 66495556 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 56.

The spelling of 16490889704 in words is "sixteen billion, four hundred ninety million, eight hundred eighty-nine thousand, seven hundred four".