61516316 has 12 divisors (see below), whose sum is σ = 110157432. Its totient is φ = 30042768.

The previous prime is 61516303. The next prime is 61516321. The reversal of 61516316 is 61361516.

61516316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 178655 + ... + 178998.

It is an arithmetic number, because the mean of its divisors is an integer number (9179786).

Almost surely, 2^61516316 is an apocalyptic number.

It is an amenable number.

61516316 is a deficient number, since it is larger than the sum of its proper divisors (48641116).

61516316 is a wasteful number, since it uses less digits than its factorization.

61516316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357700 (or 357698 counting only the distinct ones).

The product of its digits is 3240, while the sum is 29.

The square root of 61516316 is about 7843.2337718571. The cubic root of 61516316 is about 394.7572422811.

The spelling of 61516316 in words is "sixty-one million, five hundred sixteen thousand, three hundred sixteen".