65620438998132 has 24 divisors (see below), whose sum is σ = 153114611882400. Its totient is φ = 21873443348896.

The previous prime is 65620438998119. The next prime is 65620438998161. The reversal of 65620438998132 is 23189983402656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3568219 + ... + 11998877.

It is an arithmetic number, because the mean of its divisors is an integer number (6379775495100).

Almost surely, 2^{65620438998132} is an apocalyptic number.

It is an amenable number.

65620438998132 is an abundant number, since it is smaller than the sum of its proper divisors (87494172884268).

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

65620438998132 is a wasteful number, since it uses less digits than its factorization.

65620438998132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9079295 (or 9079293 counting only the distinct ones).

The product of its (nonzero) digits is 134369280, while the sum is 66.

The spelling of 65620438998132 in words is "sixty-five trillion, six hundred twenty billion, four hundred thirty-eight million, nine hundred ninety-eight thousand, one hundred thirty-two".