6113040661 has 8 divisors (see below), whose sum is σ = 7523742464. Its totient is φ = 4836691440.

The previous prime is 6113040649. The next prime is 6113040679. The reversal of 6113040661 is 1660403116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-6113040661 is a prime.

It is a super-2 number, since 2×6113040661² = 74738532246078633842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6113040061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33588045 + ... + 33588226.

It is an arithmetic number, because the mean of its divisors is an integer number (940467808).

Almost surely, 2^6113040661 is an apocalyptic number.

It is an amenable number.

6113040661 is a deficient number, since it is larger than the sum of its proper divisors (1410701803).

6113040661 is a wasteful number, since it uses less digits than its factorization.

6113040661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67176291.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 6113040661 is about 78185.9364655818. The cubic root of 6113040661 is about 1828.4612525237.

Adding to 6113040661 its reverse (1660403116), we get a palindrome (7773443777).

The spelling of 6113040661 in words is "six billion, one hundred thirteen million, forty thousand, six hundred sixty-one".