16485451280548 has 6 divisors (see below), whose sum is σ = 28849539740966. Its totient is φ = 8242725640272.

The previous prime is 16485451280503. The next prime is 16485451280561. The reversal of 16485451280548 is 84508215458461.

It can be written as a sum of positive squares in only one way, i.e., 14088627124324 + 2396824156224 = 3753482^2 + 1548168^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060681410065 + ... + 2060681410072.

Almost surely, 2^{16485451280548} is an apocalyptic number.

It is an amenable number.

16485451280548 is a deficient number, since it is larger than the sum of its proper divisors (12364088460418).

16485451280548 is a wasteful number, since it uses less digits than its factorization.

16485451280548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4121362820141 (or 4121362820139 counting only the distinct ones).

The product of its (nonzero) digits is 49152000, while the sum is 61.

The spelling of 16485451280548 in words is "sixteen trillion, four hundred eighty-five billion, four hundred fifty-one million, two hundred eighty thousand, five hundred forty-eight".