61366216 has 16 divisors (see below), whose sum is σ = 116449200. Its totient is φ = 30313104.

The previous prime is 61366189. The next prime is 61366247. The reversal of 61366216 is 61266316.

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, 45546 + ... + 46873.

It is an arithmetic number, because the mean of its divisors is an integer number (7278075).

Almost surely, 2^61366216 is an apocalyptic number.

It is an amenable number.

61366216 is a deficient number, since it is larger than the sum of its proper divisors (55082984).

61366216 is a wasteful number, since it uses less digits than its factorization.

61366216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92508 (or 92504 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 61366216 is about 7833.6591705282. The cubic root of 61366216 is about 394.4359111616.

The spelling of 61366216 in words is "sixty-one million, three hundred sixty-six thousand, two hundred sixteen".