61446568 has 32 divisors (see below), whose sum is σ = 122673960. Its totient is φ = 28753920.

The previous prime is 61446559. The next prime is 61446587. The reversal of 61446568 is 86564416.

It is a happy number.

61446568 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 4 ways, for example, as 55980324 + 5466244 = 7482^2 + 2338^2 .

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 61446568.

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, 25078 + ... + 27418.

Almost surely, 2^61446568 is an apocalyptic number.

61446568 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

61446568 is a deficient number, since it is larger than the sum of its proper divisors (61227392).

61446568 is a wasteful number, since it uses less digits than its factorization.

61446568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557 (or 2553 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 61446568 is about 7838.7861305179. The cubic root of 61446568 is about 394.6079922260.

The spelling of 61446568 in words is "sixty-one million, four hundred forty-six thousand, five hundred sixty-eight".