65613060 has 72 divisors (see below), whose sum is σ = 201015360. Its totient is φ = 17322048.

The previous prime is 65613059. The next prime is 65613071. The reversal of 65613060 is 6031656.

65613060 is a `hidden beast` number, since 656 + 1 + 3 + 0 + 6 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16771 + ... + 20309.

It is an arithmetic number, because the mean of its divisors is an integer number (2791880).

Almost surely, 2^65613060 is an apocalyptic number.

65613060 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 65613060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100507680).

65613060 is an abundant number, since it is smaller than the sum of its proper divisors (135402300).

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

65613060 is a wasteful number, since it uses less digits than its factorization.

65613060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3657 (or 3652 counting only the distinct ones).

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

The square root of 65613060 is about 8100.1888866865. The cubic root of 65613060 is about 403.3326973709.

The spelling of 65613060 in words is "sixty-five million, six hundred thirteen thousand, sixty".