61165056116 has 6 divisors (see below), whose sum is σ = 107038848210. Its totient is φ = 30582528056.

The previous prime is 61165056097. The next prime is 61165056151.

61165056116 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 39557232100 + 21607824016 = 198890^2 + 146996^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 61165056116.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7645632011 + ... + 7645632018.

It is an arithmetic number, because the mean of its divisors is an integer number (17839808035).

Almost surely, 2^61165056116 is an apocalyptic number.

It is an amenable number.

61165056116 is a deficient number, since it is larger than the sum of its proper divisors (45873792094).

61165056116 is a wasteful number, since it uses less digits than its factorization.

61165056116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15291264033 (or 15291264031 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 38.

It can be divided in two parts, 611650 and 56116, that added together give a palindrome (667766).

The spelling of 61165056116 in words is "sixty-one billion, one hundred sixty-five million, fifty-six thousand, one hundred sixteen".