16566065142 has 16 divisors (see below), whose sum is σ = 36144142272. Its totient is φ = 5020019720.

The previous prime is 16566065099. The next prime is 16566065143. The reversal of 16566065142 is 24156066561.

16566065142 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 16566065094 and 16566065103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16566065143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125500428 + ... + 125500559.

It is an arithmetic number, because the mean of its divisors is an integer number (2259008892).

Almost surely, 2^16566065142 is an apocalyptic number.

16566065142 is an abundant number, since it is smaller than the sum of its proper divisors (19578077130).

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

16566065142 is a wasteful number, since it uses less digits than its factorization.

16566065142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251001003.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 16566065142 in words is "sixteen billion, five hundred sixty-six million, sixty-five thousand, one hundred forty-two".