16554427126772 has 24 divisors (see below), whose sum is σ = 30271064804736. Its totient is φ = 7906533405408.

The previous prime is 16554427126771. The next prime is 16554427126829. The reversal of 16554427126772 is 27762172445561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16554427126771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122674328 + ... + 122809199.

It is an arithmetic number, because the mean of its divisors is an integer number (1261294366864).

Almost surely, 2^{16554427126772} is an apocalyptic number.

It is an amenable number.

16554427126772 is a deficient number, since it is larger than the sum of its proper divisors (13716637677964).

16554427126772 is a wasteful number, since it uses less digits than its factorization.

16554427126772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245484287 (or 245484285 counting only the distinct ones).

The product of its digits is 39513600, while the sum is 59.

The spelling of 16554427126772 in words is "sixteen trillion, five hundred fifty-four billion, four hundred twenty-seven million, one hundred twenty-six thousand, seven hundred seventy-two".