16551105654 has 64 divisors (see below), whose sum is σ = 34721280000. Its totient is φ = 5253621120.

The previous prime is 16551105643. The next prime is 16551105679. The reversal of 16551105654 is 45650115561.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 3018087 + ... + 3023565.

It is an arithmetic number, because the mean of its divisors is an integer number (542520000).

Almost surely, 2^16551105654 is an apocalyptic number.

16551105654 is an abundant number, since it is smaller than the sum of its proper divisors (18170174346).

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

16551105654 is a wasteful number, since it uses less digits than its factorization.

16551105654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5773.

The product of its (nonzero) digits is 90000, while the sum is 39.

The spelling of 16551105654 in words is "sixteen billion, five hundred fifty-one million, one hundred five thousand, six hundred fifty-four".