16550654368 has 144 divisors (see below), whose sum is σ = 36956170944. Its totient is φ = 7268567040.

The previous prime is 16550654359. The next prime is 16550654381. The reversal of 16550654368 is 86345605561.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13942671 + ... + 13943857.

It is an arithmetic number, because the mean of its divisors is an integer number (256640076).

Almost surely, 2^16550654368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16550654368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18478085472).

16550654368 is an abundant number, since it is smaller than the sum of its proper divisors (20405516576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16550654368 is a wasteful number, since it uses less digits than its factorization.

16550654368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323 (or 1296 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 49.

The spelling of 16550654368 in words is "sixteen billion, five hundred fifty million, six hundred fifty-four thousand, three hundred sixty-eight".