61116069 has 16 divisors (see below), whose sum is σ = 93408768. Its totient is φ = 34818672.

The previous prime is 61116047. The next prime is 61116091. The reversal of 61116069 is 96061116.

It is a happy number.

61116069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61116047) and next prime (61116091).

It is not a de Polignac number, because 61116069 - 2¹¹ = 61114021 is a prime.

It is a super-2 number, since 2×61116069² = 7470347780025522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61116169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3094 + ... + 11480.

It is an arithmetic number, because the mean of its divisors is an integer number (5838048).

Almost surely, 2^61116069 is an apocalyptic number.

It is an amenable number.

61116069 is a deficient number, since it is larger than the sum of its proper divisors (32292699).

61116069 is a wasteful number, since it uses less digits than its factorization.

61116069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8744.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 61116069 is about 7817.6767009131. The cubic root of 61116069 is about 393.8992351420.

The spelling of 61116069 in words is "sixty-one million, one hundred sixteen thousand, sixty-nine".