16155140814549 has 128 divisors (see below), whose sum is σ = 27200219074560. Its totient is φ = 9392106297600.

The previous prime is 16155140814511. The next prime is 16155140814563. The reversal of 16155140814549 is 94541804155161.

16155140814549 is a `hidden beast` number, since 1 + 6 + 1 + 5 + 5 + 14 + 0 + 81 + 4 + 549 = 666.

It is not a de Polignac number, because 16155140814549 - 2⁹ = 16155140814037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16155140814495 and 16155140814504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16155140818549) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 160303194 + ... + 160403940.

It is an arithmetic number, because the mean of its divisors is an integer number (212501711520).

Almost surely, 2^{16155140814549} is an apocalyptic number.

It is an amenable number.

16155140814549 is a deficient number, since it is larger than the sum of its proper divisors (11045078260011).

16155140814549 is a wasteful number, since it uses less digits than its factorization.

16155140814549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101048 (or 101042 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 54.

The spelling of 16155140814549 in words is "sixteen trillion, one hundred fifty-five billion, one hundred forty million, eight hundred fourteen thousand, five hundred forty-nine".