16550654816 has 24 divisors (see below), whose sum is σ = 32597936784. Its totient is φ = 8271813760.

The previous prime is 16550654797. The next prime is 16550654837. The reversal of 16550654816 is 61845605561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32420 + ... + 184803.

It is an arithmetic number, because the mean of its divisors is an integer number (1358247366).

Almost surely, 2^16550654816 is an apocalyptic number.

16550654816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16550654816 is a deficient number, since it is larger than the sum of its proper divisors (16047281968).

16550654816 is a wasteful number, since it uses less digits than its factorization.

16550654816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219614 (or 219606 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 47.

The spelling of 16550654816 in words is "sixteen billion, five hundred fifty million, six hundred fifty-four thousand, eight hundred sixteen".