16556214140073 has 40 divisors (see below), whose sum is σ = 25722084516480. Its totient is φ = 10603226967840.

The previous prime is 16556214140071. The next prime is 16556214140083. The reversal of 16556214140073 is 37004141265561.

It is a happy number.

16556214140073 is a `hidden beast` number, since 1 + 6 + 5 + 5 + 621 + 4 + 14 + 0 + 0 + 7 + 3 = 666.

It is not a de Polignac number, because 16556214140073 - 2¹ = 16556214140071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16556214140071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 34726923 + ... + 35200448.

It is an arithmetic number, because the mean of its divisors is an integer number (643052112912).

Almost surely, 2^{16556214140073} is an apocalyptic number.

It is an amenable number.

16556214140073 is a deficient number, since it is larger than the sum of its proper divisors (9165870376407).

16556214140073 is an equidigital number, since it uses as much as digits as its factorization.

16556214140073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69927499 (or 69927490 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 16556214140073 in words is "sixteen trillion, five hundred fifty-six billion, two hundred fourteen million, one hundred forty thousand, seventy-three".