61183330061 has 36 divisors (see below), whose sum is σ = 72346450176. Its totient is φ = 51590221200.

The previous prime is 61183330049. The next prime is 61183330067. The reversal of 61183330061 is 16003338116.

It is not a de Polignac number, because 61183330061 - 2¹⁰ = 61183329037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61183330067) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 107150906 + ... + 107151476.

It is an arithmetic number, because the mean of its divisors is an integer number (2009623616).

Almost surely, 2^61183330061 is an apocalyptic number.

It is an amenable number.

61183330061 is a deficient number, since it is larger than the sum of its proper divisors (11163120115).

61183330061 is a wasteful number, since it uses less digits than its factorization.

61183330061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990 (or 876 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

Adding to 61183330061 its reverse (16003338116), we get a palindrome (77186668177).

The spelling of 61183330061 in words is "sixty-one billion, one hundred eighty-three million, three hundred thirty thousand, sixty-one".