61065360 has 160 divisors (see below), whose sum is σ = 222842880. Its totient is φ = 15316992.

The previous prime is 61065353. The next prime is 61065383. The reversal of 61065360 is 6356016.

61065360 is a `hidden beast` number, since 6 + 1 + 0 + 653 + 6 + 0 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35889 + ... + 37551.

It is an arithmetic number, because the mean of its divisors is an integer number (1392768).

Almost surely, 2^61065360 is an apocalyptic number.

61065360 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 61065360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111421440).

61065360 is an abundant number, since it is smaller than the sum of its proper divisors (161777520).

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

61065360 is a wasteful number, since it uses less digits than its factorization.

61065360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702 (or 1690 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 61065360 is about 7814.4328009140. The cubic root of 61065360 is about 393.7902634564.

It can be divided in two parts, 61065 and 360, that added together give a triangular number (61425 = T₃₅₀).

The spelling of 61065360 in words is "sixty-one million, sixty-five thousand, three hundred sixty".