61361160 has 128 divisors (see below), whose sum is σ = 222808320. Its totient is φ = 13197312.

The previous prime is 61361149. The next prime is 61361161. The reversal of 61361160 is 6116316.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 61361160.

It is not an unprimeable number, because it can be changed into a prime (61361161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12132 + ... + 16428.

It is an arithmetic number, because the mean of its divisors is an integer number (1740690).

Almost surely, 2^61361160 is an apocalyptic number.

61361160 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 61361160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111404160).

61361160 is an abundant number, since it is smaller than the sum of its proper divisors (161447160).

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

61361160 is a wasteful number, since it uses less digits than its factorization.

61361160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4335 (or 4331 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 61361160 is about 7833.3364539001. The cubic root of 61361160 is about 394.4250782589.

Adding to 61361160 its reverse (6116316), we get a palindrome (67477476).

The spelling of 61361160 in words is "sixty-one million, three hundred sixty-one thousand, one hundred sixty".