16553830305388 has 36 divisors (see below), whose sum is σ = 29751344385840. Its totient is φ = 8059172990080.

The previous prime is 16553830305329. The next prime is 16553830305461. The reversal of 16553830305388 is 88350303835561.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1004145 + ... + 5840887.

It is an arithmetic number, because the mean of its divisors is an integer number (826426232940).

Almost surely, 2^{16553830305388} is an apocalyptic number.

It is an amenable number.

16553830305388 is a deficient number, since it is larger than the sum of its proper divisors (13197514080452).

16553830305388 is a wasteful number, since it uses less digits than its factorization.

16553830305388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4837338 (or 4837295 counting only the distinct ones).

The product of its (nonzero) digits is 31104000, while the sum is 58.

The spelling of 16553830305388 in words is "sixteen trillion, five hundred fifty-three billion, eight hundred thirty million, three hundred five thousand, three hundred eighty-eight".