61147108 has 18 divisors (see below), whose sum is σ = 117620678. Its totient is φ = 27793920.

The previous prime is 61147061. The next prime is 61147123. The reversal of 61147108 is 80174116.

61147108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 59629284 + 1517824 = 7722^2 + 1232^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 62685 + ... + 63652.

Almost surely, 2^61147108 is an apocalyptic number.

It is an amenable number.

61147108 is a deficient number, since it is larger than the sum of its proper divisors (56473570).

61147108 is a wasteful number, since it uses less digits than its factorization.

61147108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126363 (or 126350 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 61147108 is about 7819.6616295080. The cubic root of 61147108 is about 393.9659070193.

The spelling of 61147108 in words is "sixty-one million, one hundred forty-seven thousand, one hundred eight".