16554471075764 has 24 divisors (see below), whose sum is σ = 30585568191360. Its totient is φ = 7818322732416.

The previous prime is 16554471075683. The next prime is 16554471075767. The reversal of 16554471075764 is 46757017445561.

It is a junction number, because it is equal to n+sod(n) for n = 16554471075697 and 16554471075706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16554471075767) 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, 323152412 + ... + 323203635.

It is an arithmetic number, because the mean of its divisors is an integer number (1274398674640).

Almost surely, 2^{16554471075764} is an apocalyptic number.

It is an amenable number.

16554471075764 is a deficient number, since it is larger than the sum of its proper divisors (14031097115596).

16554471075764 is a wasteful number, since it uses less digits than its factorization.

16554471075764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646356407 (or 646356405 counting only the distinct ones).

The product of its (nonzero) digits is 98784000, while the sum is 62.

The spelling of 16554471075764 in words is "sixteen trillion, five hundred fifty-four billion, four hundred seventy-one million, seventy-five thousand, seven hundred sixty-four".