65530733628 has 12 divisors (see below), whose sum is σ = 152905045160. Its totient is φ = 21843577872.

The previous prime is 65530733627. The next prime is 65530733647. The reversal of 65530733628 is 82633703556.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65530733627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2730447223 + ... + 2730447246.

Almost surely, 2^65530733628 is an apocalyptic number.

It is an amenable number.

65530733628 is an abundant number, since it is smaller than the sum of its proper divisors (87374311532).

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

65530733628 is a wasteful number, since it uses less digits than its factorization.

65530733628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5460894476 (or 5460894474 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 48.

The spelling of 65530733628 in words is "sixty-five billion, five hundred thirty million, seven hundred thirty-three thousand, six hundred twenty-eight".