61108616 has 8 divisors (see below), whose sum is σ = 114578670. Its totient is φ = 30554304.

The previous prime is 61108613. The next prime is 61108661. The reversal of 61108616 is 61680116.

It can be written as a sum of positive squares in only one way, i.e., 39112516 + 21996100 = 6254^2 + 4690^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (61108613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3819281 + ... + 3819296.

Almost surely, 2^61108616 is an apocalyptic number.

It is an amenable number.

61108616 is a deficient number, since it is larger than the sum of its proper divisors (53470054).

61108616 is a wasteful number, since it uses less digits than its factorization.

61108616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7638583 (or 7638579 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 61108616 is about 7817.2000102338. The cubic root of 61108616 is about 393.8832227119.

The spelling of 61108616 in words is "sixty-one million, one hundred eight thousand, six hundred sixteen".