61130268 has 48 divisors (see below), whose sum is σ = 161871360. Its totient is φ = 19941552.

The previous prime is 61130263. The next prime is 61130269. The reversal of 61130268 is 86203116.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61130261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 946 + ... + 11097.

It is an arithmetic number, because the mean of its divisors is an integer number (3372320).

Almost surely, 2^61130268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61130268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80935680).

61130268 is an abundant number, since it is smaller than the sum of its proper divisors (100741092).

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

61130268 is a wasteful number, since it uses less digits than its factorization.

61130268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12103 (or 12095 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 61130268 is about 7818.5847824271. The cubic root of 61130268 is about 393.9297374428.

The spelling of 61130268 in words is "sixty-one million, one hundred thirty thousand, two hundred sixty-eight".