16554403982488 has 8 divisors (see below), whose sum is σ = 31039507467180. Its totient is φ = 8277201991240.

The previous prime is 16554403982471. The next prime is 16554403982521. The reversal of 16554403982488 is 88428930445561.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×16554403982488² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034650248898 + ... + 1034650248913.

Almost surely, 2^{16554403982488} is an apocalyptic number.

It is an amenable number.

16554403982488 is a deficient number, since it is larger than the sum of its proper divisors (14485103484692).

16554403982488 is a wasteful number, since it uses less digits than its factorization.

16554403982488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069300497817 (or 2069300497813 counting only the distinct ones).

The product of its (nonzero) digits is 265420800, while the sum is 67.

The spelling of 16554403982488 in words is "sixteen trillion, five hundred fifty-four billion, four hundred three million, nine hundred eighty-two thousand, four hundred eighty-eight".