65660050 has 24 divisors (see below), whose sum is σ = 122760000. Its totient is φ = 26128080.

The previous prime is 65660047. The next prime is 65660051. The reversal of 65660050 is 5006656.

It is a super-2 number, since 2×65660050² = 8622484332005000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65660051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6651 + ... + 13249.

It is an arithmetic number, because the mean of its divisors is an integer number (5115000).

Almost surely, 2^65660050 is an apocalyptic number.

65660050 is a deficient number, since it is larger than the sum of its proper divisors (57099950).

65660050 is a wasteful number, since it uses less digits than its factorization.

65660050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6810 (or 6805 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 65660050 is about 8103.0889171969. The cubic root of 65660050 is about 403.4289591051.

It can be divided in two parts, 656 and 60050, that added together give a palindrome (60706).

The spelling of 65660050 in words is "sixty-five million, six hundred sixty thousand, fifty".