6161548281 has 16 divisors (see below), whose sum is σ = 9402916224. Its totient is φ = 3515675904.

The previous prime is 6161548279. The next prime is 6161548291. The reversal of 6161548281 is 1828451616.

It is not a de Polignac number, because 6161548281 - 2¹ = 6161548279 is a prime.

It is a super-2 number, since 2×6161548281² = 75929354438188109922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6161548201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202480 + ... + 230913.

It is an arithmetic number, because the mean of its divisors is an integer number (587682264).

Almost surely, 2^6161548281 is an apocalyptic number.

It is an amenable number.

6161548281 is a deficient number, since it is larger than the sum of its proper divisors (3241367943).

6161548281 is a wasteful number, since it uses less digits than its factorization.

6161548281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434080.

The product of its digits is 92160, while the sum is 42.

The square root of 6161548281 is about 78495.5303249809. The cubic root of 6161548281 is about 1833.2848603786.

Adding to 6161548281 its reverse (1828451616), we get a palindrome (7989999897).

The spelling of 6161548281 in words is "six billion, one hundred sixty-one million, five hundred forty-eight thousand, two hundred eighty-one".