61116161116 has 12 divisors (see below), whose sum is σ = 109561898880. Its totient is φ = 29812761440.

The previous prime is 61116161059. The next prime is 61116161129.

61116161116 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186329596 + ... + 186329923.

It is an arithmetic number, because the mean of its divisors is an integer number (9130158240).

Almost surely, 2^61116161116 is an apocalyptic number.

It is an amenable number.

61116161116 is a deficient number, since it is larger than the sum of its proper divisors (48445737764).

61116161116 is a wasteful number, since it uses less digits than its factorization.

61116161116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372659564 (or 372659562 counting only the distinct ones).

The product of its digits is 1296, while the sum is 31.

The spelling of 61116161116 in words is "sixty-one billion, one hundred sixteen million, one hundred sixty-one thousand, one hundred sixteen".