16545063717776 has 40 divisors (see below), whose sum is σ = 36176118955200. Its totient is φ = 7261156488320.

The previous prime is 16545063717727. The next prime is 16545063717803. The reversal of 16545063717776 is 67771736054561.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1620788756 + ... + 1620798963.

It is an arithmetic number, because the mean of its divisors is an integer number (904402973880).

Almost surely, 2^{16545063717776} is an apocalyptic number.

16545063717776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16545063717776 is an abundant number, since it is smaller than the sum of its proper divisors (19631055237424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16545063717776 is a wasteful number, since it uses less digits than its factorization.

16545063717776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3241587767 (or 3241587761 counting only the distinct ones).

The product of its (nonzero) digits is 155584800, while the sum is 65.

The spelling of 16545063717776 in words is "sixteen trillion, five hundred forty-five billion, sixty-three million, seven hundred seventeen thousand, seven hundred seventy-six".