66502060 has 24 divisors (see below), whose sum is σ = 140550480. Its totient is φ = 26430144.

The previous prime is 66502057. The next prime is 66502067. The reversal of 66502060 is 6020566.

It is not an unprimeable number, because it can be changed into a prime (66502067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7450 + ... + 13729.

It is an arithmetic number, because the mean of its divisors is an integer number (5856270).

Almost surely, 2^66502060 is an apocalyptic number.

It is an amenable number.

66502060 is an abundant number, since it is smaller than the sum of its proper divisors (74048420).

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

66502060 is a wasteful number, since it uses less digits than its factorization.

66502060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21345 (or 21343 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 66502060 is about 8154.8795208758. The cubic root of 66502060 is about 405.1461343296.

The spelling of 66502060 in words is "sixty-six million, five hundred two thousand, sixty".