16547465778141 has 16 divisors (see below), whose sum is σ = 22079266013376. Its totient is φ = 11023657443456.

The previous prime is 16547465778047. The next prime is 16547465778149. The reversal of 16547465778141 is 14187756474561.

It is not a de Polignac number, because 16547465778141 - 2⁹ = 16547465777629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16547465778149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23971561 + ... + 24652193.

It is an arithmetic number, because the mean of its divisors is an integer number (1379954125836).

Almost surely, 2^{16547465778141} is an apocalyptic number.

It is an amenable number.

16547465778141 is a deficient number, since it is larger than the sum of its proper divisors (5531800235235).

16547465778141 is a wasteful number, since it uses less digits than its factorization.

16547465778141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686492.

The product of its digits is 158054400, while the sum is 66.

The spelling of 16547465778141 in words is "sixteen trillion, five hundred forty-seven billion, four hundred sixty-five million, seven hundred seventy-eight thousand, one hundred forty-one".