16553187692 has 24 divisors (see below), whose sum is σ = 29106395136. Its totient is φ = 8237109888.

The previous prime is 16553187689. The next prime is 16553187803. The reversal of 16553187692 is 29678135561.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3336878 + ... + 3341834.

It is an arithmetic number, because the mean of its divisors is an integer number (1212766464).

Almost surely, 2^16553187692 is an apocalyptic number.

It is an amenable number.

16553187692 is a deficient number, since it is larger than the sum of its proper divisors (12553207444).

16553187692 is a wasteful number, since it uses less digits than its factorization.

16553187692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8777 (or 8775 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 53.

The spelling of 16553187692 in words is "sixteen billion, five hundred fifty-three million, one hundred eighty-seven thousand, six hundred ninety-two".