6261361161 has 32 divisors (see below), whose sum is σ = 9164803968. Its totient is φ = 3770941440.

The previous prime is 6261361097. The next prime is 6261361163. The reversal of 6261361161 is 1611631626.

It is not a de Polignac number, because 6261361161 - 2⁶ = 6261361097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (6261361163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5707165 + ... + 5708261.

It is an arithmetic number, because the mean of its divisors is an integer number (286400124).

Almost surely, 2^6261361161 is an apocalyptic number.

It is an amenable number.

6261361161 is a deficient number, since it is larger than the sum of its proper divisors (2903442807).

6261361161 is a wasteful number, since it uses less digits than its factorization.

6261361161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041.

The product of its digits is 7776, while the sum is 33.

The square root of 6261361161 is about 79128.7631711756. The cubic root of 6261361161 is about 1843.1312037069.

Adding to 6261361161 its reverse (1611631626), we get a palindrome (7872992787).

The spelling of 6261361161 in words is "six billion, two hundred sixty-one million, three hundred sixty-one thousand, one hundred sixty-one".