16554422764372 has 6 divisors (see below), whose sum is σ = 28970239837658. Its totient is φ = 8277211382184.

The previous prime is 16554422764361. The next prime is 16554422764379. The reversal of 16554422764372 is 27346722445561.

It can be written as a sum of positive squares in only one way, i.e., 9275898644496 + 7278524119876 = 3045636^2 + 2697874^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16554422764379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2069302845543 + ... + 2069302845550.

Almost surely, 2^{16554422764372} is an apocalyptic number.

It is an amenable number.

16554422764372 is a deficient number, since it is larger than the sum of its proper divisors (12415817073286).

16554422764372 is a wasteful number, since it uses less digits than its factorization.

16554422764372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138605691097 (or 4138605691095 counting only the distinct ones).

The product of its digits is 67737600, while the sum is 58.

The spelling of 16554422764372 in words is "sixteen trillion, five hundred fifty-four billion, four hundred twenty-two million, seven hundred sixty-four thousand, three hundred seventy-two".