61105648 has 40 divisors (see below), whose sum is σ = 122389488. Its totient is φ = 29532672.

The previous prime is 61105613. The next prime is 61105663. The reversal of 61105648 is 84650116.

61105648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 137715 + ... + 138157.

Almost surely, 2^61105648 is an apocalyptic number.

It is an amenable number.

61105648 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

61105648 is a wasteful number, since it uses less digits than its factorization.

61105648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 61105648 is about 7817.0101701354. The cubic root of 61105648 is about 393.8768457370.

The spelling of 61105648 in words is "sixty-one million, one hundred five thousand, six hundred forty-eight".