16545126525054 has 64 divisors (see below), whose sum is σ = 34091990380800. Its totient is φ = 5350922477568.

The previous prime is 16545126525017. The next prime is 16545126525079. The reversal of 16545126525054 is 45052562154561.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16545126524988 and 16545126525006.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 9082389 + ... + 10750815.

It is an arithmetic number, because the mean of its divisors is an integer number (532687349700).

Almost surely, 2^{16545126525054} is an apocalyptic number.

16545126525054 is an abundant number, since it is smaller than the sum of its proper divisors (17546863855746).

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

16545126525054 is a wasteful number, since it uses less digits than its factorization.

16545126525054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668857.

The product of its (nonzero) digits is 7200000, while the sum is 51.

The spelling of 16545126525054 in words is "sixteen trillion, five hundred forty-five billion, one hundred twenty-six million, five hundred twenty-five thousand, fifty-four".