16268045448561 has 16 divisors (see below), whose sum is σ = 22428572049408. Its totient is φ = 10477633237200.

The previous prime is 16268045448553. The next prime is 16268045448581. The reversal of 16268045448561 is 16584454086261.

It is not a de Polignac number, because 16268045448561 - 2³ = 16268045448553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16268045448495 and 16268045448504.

It is not an unprimeable number, because it can be changed into a prime (16268045448581) 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, 148944745 + ... + 149053926.

It is an arithmetic number, because the mean of its divisors is an integer number (1401785753088).

Almost surely, 2^{16268045448561} is an apocalyptic number.

It is an amenable number.

16268045448561 is a deficient number, since it is larger than the sum of its proper divisors (6160526600847).

16268045448561 is a wasteful number, since it uses less digits than its factorization.

16268045448561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297999292.

The product of its (nonzero) digits is 44236800, while the sum is 60.

The spelling of 16268045448561 in words is "sixteen trillion, two hundred sixty-eight billion, forty-five million, four hundred forty-eight thousand, five hundred sixty-one".