61130160 has 320 divisors, whose sum is σ = 259983360. Its totient is φ = 12856320.

The previous prime is 61130137. The next prime is 61130177. The reversal of 61130160 is 6103116.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 196405 + ... + 196715.

It is an arithmetic number, because the mean of its divisors is an integer number (812448).

Almost surely, 2^61130160 is an apocalyptic number.

61130160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61130160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129991680).

61130160 is an abundant number, since it is smaller than the sum of its proper divisors (198853200).

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

61130160 is a wasteful number, since it uses less digits than its factorization.

61130160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 61130160 is about 7818.5778758032. The cubic root of 61130160 is about 393.9295054550.

Adding to 61130160 its reverse (6103116), we get a palindrome (67233276).

The spelling of 61130160 in words is "sixty-one million, one hundred thirty thousand, one hundred sixty".