6161728445 has 16 divisors (see below), whose sum is σ = 7496356032. Its totient is φ = 4861658880.

The previous prime is 6161728427. The next prime is 6161728457. The reversal of 6161728445 is 5448271616.

6161728445 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6161728445 - 2¹⁴ = 6161712061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6161728396 and 6161728405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77909 + ... + 135621.

It is an arithmetic number, because the mean of its divisors is an integer number (468522252).

Almost surely, 2^6161728445 is an apocalyptic number.

It is an amenable number.

6161728445 is a deficient number, since it is larger than the sum of its proper divisors (1334627587).

6161728445 is a wasteful number, since it uses less digits than its factorization.

6161728445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58012.

The product of its digits is 322560, while the sum is 44.

The square root of 6161728445 is about 78496.6779233363. The cubic root of 6161728445 is about 1833.3027286535.

The spelling of 6161728445 in words is "six billion, one hundred sixty-one million, seven hundred twenty-eight thousand, four hundred forty-five".