61968416 has 24 divisors (see below), whose sum is σ = 122245200. Its totient is φ = 30922048.

The previous prime is 61968407. The next prime is 61968421. The reversal of 61968416 is 61486916.

Its product of digits (62208) is a multiple of the sum of its prime divisors (3888).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17135 + ... + 20433.

It is an arithmetic number, because the mean of its divisors is an integer number (5093550).

Almost surely, 2^61968416 is an apocalyptic number.

It is an amenable number.

61968416 is a deficient number, since it is larger than the sum of its proper divisors (60276784).

61968416 is a wasteful number, since it uses less digits than its factorization.

61968416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3896 (or 3888 counting only the distinct ones).

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

The square root of 61968416 is about 7872.0020325201. The cubic root of 61968416 is about 395.7219419995.

The spelling of 61968416 in words is "sixty-one million, nine hundred sixty-eight thousand, four hundred sixteen".