6161331348 has 18 divisors (see below), whose sum is σ = 15574476554. Its totient is φ = 2053777104.

The previous prime is 6161331347. The next prime is 6161331359. The reversal of 6161331348 is 8431331616.

6161331348 is a `hidden beast` number, since 6 + 1 + 613 + 3 + 1 + 34 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5918532624 + 242798724 = 76932^2 + 15582^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 171148093 = 6161331348 / (6 + 1 + 6 + 1 + 3 + 3 + 1 + 3 + 4 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6161331347) 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 5 ways as a sum of consecutive naturals, for example, 85574011 + ... + 85574082.

Almost surely, 2^6161331348 is an apocalyptic number.

It is an amenable number.

6161331348 is an abundant number, since it is smaller than the sum of its proper divisors (9413145206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6161331348 is a wasteful number, since it uses less digits than its factorization.

6161331348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171148103 (or 171148098 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 6161331348 is about 78494.1484952859. The cubic root of 6161331348 is about 1833.2633449719.

The spelling of 6161331348 in words is "six billion, one hundred sixty-one million, three hundred thirty-one thousand, three hundred forty-eight".