16545126477441 has 16 divisors (see below), whose sum is σ = 22434217675200. Its totient is φ = 10843062263808.

The previous prime is 16545126477419. The next prime is 16545126477443. The reversal of 16545126477441 is 14477462154561.

It is a happy number.

It is not a de Polignac number, because 16545126477441 - 2⁵ = 16545126477409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16545126477443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47654025 + ... + 47999961.

It is an arithmetic number, because the mean of its divisors is an integer number (1402138604700).

Almost surely, 2^{16545126477441} is an apocalyptic number.

It is an amenable number.

16545126477441 is a deficient number, since it is larger than the sum of its proper divisors (5889091197759).

16545126477441 is a wasteful number, since it uses less digits than its factorization.

16545126477441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616208.

The product of its digits is 22579200, while the sum is 57.

The spelling of 16545126477441 in words is "sixteen trillion, five hundred forty-five billion, one hundred twenty-six million, four hundred seventy-seven thousand, four hundred forty-one".