6161573649 has 24 divisors (see below), whose sum is σ = 10425522528. Its totient is φ = 3200816640.

The previous prime is 6161573623. The next prime is 6161573683. The reversal of 6161573649 is 9463751616.

It is not a de Polignac number, because 6161573649 - 2¹¹ = 6161571601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6161573598 and 6161573607.

It is not an unprimeable number, because it can be changed into a prime (6161573689) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1903632 + ... + 1906865.

It is an arithmetic number, because the mean of its divisors is an integer number (434396772).

Almost surely, 2^6161573649 is an apocalyptic number.

It is an amenable number.

6161573649 is a deficient number, since it is larger than the sum of its proper divisors (4263948879).

6161573649 is a wasteful number, since it uses less digits than its factorization.

6161573649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810525 (or 3810518 counting only the distinct ones).

The product of its digits is 816480, while the sum is 48.

The square root of 6161573649 is about 78495.6919136331. The cubic root of 6161573649 is about 1833.2873763429.

The spelling of 6161573649 in words is "six billion, one hundred sixty-one million, five hundred seventy-three thousand, six hundred forty-nine".