65382660 has 192 divisors, whose sum is σ = 237888000. Its totient is φ = 14902272.

The previous prime is 65382643. The next prime is 65382673. The reversal of 65382660 is 6628356.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 185044 + ... + 185396.

It is an arithmetic number, because the mean of its divisors is an integer number (1239000).

Almost surely, 2^65382660 is an apocalyptic number.

65382660 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 65382660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118944000).

65382660 is an abundant number, since it is smaller than the sum of its proper divisors (172505340).

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

65382660 is a wasteful number, since it uses less digits than its factorization.

65382660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 65382660 is about 8085.9544891126. The cubic root of 65382660 is about 402.8600433084.

The spelling of 65382660 in words is "sixty-five million, three hundred eighty-two thousand, six hundred sixty".