61180648 has 16 divisors (see below), whose sum is σ = 116426880. Its totient is φ = 30133488.

The previous prime is 61180601. The next prime is 61180657. The reversal of 61180648 is 84608116.

61180648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 56536 + ... + 57607.

It is an arithmetic number, because the mean of its divisors is an integer number (7276680).

Almost surely, 2^61180648 is an apocalyptic number.

It is an amenable number.

61180648 is a deficient number, since it is larger than the sum of its proper divisors (55246232).

61180648 is a wasteful number, since it uses less digits than its factorization.

61180648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114216 (or 114212 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 61180648 is about 7821.8059295792. The cubic root of 61180648 is about 394.0379256955.

The spelling of 61180648 in words is "sixty-one million, one hundred eighty thousand, six hundred forty-eight".