61008560 has 40 divisors (see below), whose sum is σ = 145685616. Its totient is φ = 23742720.

The previous prime is 61008553. The next prime is 61008583. The reversal of 61008560 is 6580016.

61008560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 7346 + ... + 13265.

Almost surely, 2^61008560 is an apocalyptic number.

It is an amenable number.

61008560 is an abundant number, since it is smaller than the sum of its proper divisors (84677056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61008560 is a wasteful number, since it uses less digits than its factorization.

61008560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20661 (or 20655 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 61008560 is about 7810.7976545293. The cubic root of 61008560 is about 393.6681307910.

Adding to 61008560 its reverse (6580016), we get a palindrome (67588576).

The spelling of 61008560 in words is "sixty-one million, eight thousand, five hundred sixty".