530520171672 has 16 divisors (see below), whose sum is σ = 1326300429240. Its totient is φ = 176840057216.

The previous prime is 530520171661. The next prime is 530520171677. The reversal of 530520171672 is 276171025035.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 530520171672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530520171677) 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, 11052503553 + ... + 11052503600.

Almost surely, 2^530520171672 is an apocalyptic number.

It is an amenable number.

530520171672 is an abundant number, since it is smaller than the sum of its proper divisors (795780257568).

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

530520171672 is a wasteful number, since it uses less digits than its factorization.

530520171672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22105007162 (or 22105007158 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 530520171672 in words is "five hundred thirty billion, five hundred twenty million, one hundred seventy-one thousand, six hundred seventy-two".