66052205313432 has 64 divisors (see below), whose sum is σ = 177955251811680. Its totient is φ = 20309767898112.

The previous prime is 66052205313427. The next prime is 66052205313461. The reversal of 66052205313432 is 23431350225066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72397933 + ... + 73304604.

Almost surely, 2^{66052205313432} is an apocalyptic number.

It is an amenable number.

66052205313432 is an abundant number, since it is smaller than the sum of its proper divisors (111903046498248).

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

66052205313432 is a wasteful number, since it uses less digits than its factorization.

66052205313432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145704012 (or 145704008 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 42.

Adding to 66052205313432 its reverse (23431350225066), we get a palindrome (89483555538498).

The spelling of 66052205313432 in words is "sixty-six trillion, fifty-two billion, two hundred five million, three hundred thirteen thousand, four hundred thirty-two".