61320116 has 96 divisors (see below), whose sum is σ = 135475200. Its totient is φ = 23886720.

The previous prime is 61320097. The next prime is 61320131. The reversal of 61320116 is 61102316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 776165 + ... + 776243.

It is an arithmetic number, because the mean of its divisors is an integer number (1411200).

Almost surely, 2^61320116 is an apocalyptic number.

It is an amenable number.

61320116 is an abundant number, since it is smaller than the sum of its proper divisors (74155084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61320116 is a wasteful number, since it uses less digits than its factorization.

61320116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 61320116 is about 7830.7161869142. The cubic root of 61320116 is about 394.3371160270.

The spelling of 61320116 in words is "sixty-one million, three hundred twenty thousand, one hundred sixteen".