16545054544634 has 64 divisors (see below), whose sum is σ = 31434868426752. Its totient is φ = 6344083752000.

The previous prime is 16545054544573. The next prime is 16545054544637. The reversal of 16545054544634 is 43644545054561.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16545054544634.

It is not an unprimeable number, because it can be changed into a prime (16545054544637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 587264 + ... + 5782299.

It is an arithmetic number, because the mean of its divisors is an integer number (491169819168).

Almost surely, 2^{16545054544634} is an apocalyptic number.

16545054544634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16545054544634 is a deficient number, since it is larger than the sum of its proper divisors (14889813882118).

16545054544634 is a wasteful number, since it uses less digits than its factorization.

16545054544634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6369851.

The product of its (nonzero) digits is 69120000, while the sum is 56.

The spelling of 16545054544634 in words is "sixteen trillion, five hundred forty-five billion, fifty-four million, five hundred forty-four thousand, six hundred thirty-four".