16045061121 has 16 divisors (see below), whose sum is σ = 23775131520. Its totient is φ = 10694605680.

The previous prime is 16045061117. The next prime is 16045061141. The reversal of 16045061121 is 12116054061.

16045061121 is a `hidden beast` number, since 1 + 6 + 0 + 45 + 0 + 611 + 2 + 1 = 666.

It is not a de Polignac number, because 16045061121 - 2² = 16045061117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (16045061141) 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, 88276 + ... + 199706.

It is an arithmetic number, because the mean of its divisors is an integer number (1485945720).

Almost surely, 2^16045061121 is an apocalyptic number.

It is an amenable number.

16045061121 is a deficient number, since it is larger than the sum of its proper divisors (7730070399).

16045061121 is a wasteful number, since it uses less digits than its factorization.

16045061121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116773 (or 116767 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 16045061121 in words is "sixteen billion, forty-five million, sixty-one thousand, one hundred twenty-one".