16166251043 has 4 divisors (see below), whose sum is σ = 16407538440. Its totient is φ = 15924963648.

The previous prime is 16166251033. The next prime is 16166251051. The reversal of 16166251043 is 34015266161.

16166251043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16166251043 - 2¹⁴ = 16166234659 is a prime.

It is a super-2 number, since 2×16166251043² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16166250994 and 16166251012.

It is not an unprimeable number, because it can be changed into a prime (16166251033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120643598 + ... + 120643731.

It is an arithmetic number, because the mean of its divisors is an integer number (4101884610).

Almost surely, 2^16166251043 is an apocalyptic number.

16166251043 is a deficient number, since it is larger than the sum of its proper divisors (241287397).

16166251043 is an equidigital number, since it uses as much as digits as its factorization.

16166251043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241287396.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 16166251043 in words is "sixteen billion, one hundred sixty-six million, two hundred fifty-one thousand, forty-three".