61486916 has 12 divisors (see below), whose sum is σ = 108555132. Its totient is φ = 30471168.

The previous prime is 61486913. The next prime is 61486927. The reversal of 61486916 is 61968416.

61486916 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 2 ways, for example, as 802816 + 60684100 = 896^2 + 7790^2 .

It is not an unprimeable number, because it can be changed into a prime (61486913) by changing a digit.

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, 67565 + ... + 68468.

It is an arithmetic number, because the mean of its divisors is an integer number (9046261).

Almost surely, 2^61486916 is an apocalyptic number.

It is an amenable number.

61486916 is a deficient number, since it is larger than the sum of its proper divisors (47068216).

61486916 is a wasteful number, since it uses less digits than its factorization.

61486916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136150 (or 136148 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 61486916 is about 7841.3593209341. The cubic root of 61486916 is about 394.6943445380.

The spelling of 61486916 in words is "sixty-one million, four hundred eighty-six thousand, nine hundred sixteen".