66302160 has 80 divisors (see below), whose sum is σ = 206611776. Its totient is φ = 17588224.

The previous prime is 66302111. The next prime is 66302161. The reversal of 66302160 is 6120366.

It is a tau number, because it is divible by the number of its divisors (80).

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 66302160.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66302161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53872 + ... + 55088.

Almost surely, 2^66302160 is an apocalyptic number.

66302160 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 66302160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103305888).

66302160 is an abundant number, since it is smaller than the sum of its proper divisors (140309616).

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

66302160 is a wasteful number, since it uses less digits than its factorization.

66302160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460 (or 1454 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 66302160 is about 8142.6138309513. The cubic root of 66302160 is about 404.7397810196.

The spelling of 66302160 in words is "sixty-six million, three hundred two thousand, one hundred sixty".