61116671 has 24 divisors (see below), whose sum is σ = 78181200. Its totient is φ = 47241600.

The previous prime is 61116661. The next prime is 61116677. The reversal of 61116671 is 17661116.

It is not a de Polignac number, because 61116671 - 2⁶ = 61116607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61116677) 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, 79931 + ... + 80691.

It is an arithmetic number, because the mean of its divisors is an integer number (3257550).

Almost surely, 2^61116671 is an apocalyptic number.

61116671 is a deficient number, since it is larger than the sum of its proper divisors (17064529).

61116671 is a wasteful number, since it uses less digits than its factorization.

61116671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935 (or 928 counting only the distinct ones).

The product of its digits is 1512, while the sum is 29.

The square root of 61116671 is about 7817.7152033059. The cubic root of 61116671 is about 393.9005284547.

Adding to 61116671 its reverse (17661116), we get a palindrome (78777787).

The spelling of 61116671 in words is "sixty-one million, one hundred sixteen thousand, six hundred seventy-one".