61180116 has 24 divisors (see below), whose sum is σ = 143613120. Its totient is φ = 20270592.

The previous prime is 61180051. The next prime is 61180117. The reversal of 61180116 is 61108116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61180117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13261 + ... + 17268.

It is an arithmetic number, because the mean of its divisors is an integer number (5983880).

Almost surely, 2^61180116 is an apocalyptic number.

It is an amenable number.

61180116 is an abundant number, since it is smaller than the sum of its proper divisors (82433004).

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

61180116 is a wasteful number, since it uses less digits than its factorization.

61180116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30703 (or 30701 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 61180116 is about 7821.7719220136. The cubic root of 61180116 is about 394.0367835654.

The spelling of 61180116 in words is "sixty-one million, one hundred eighty thousand, one hundred sixteen".