530664421872 has 160 divisors (see below), whose sum is σ = 1552283772480. Its totient is φ = 155066204160.

The previous prime is 530664421853. The next prime is 530664421913. The reversal of 530664421872 is 278124466035.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 863488 + ... + 1344224.

It is an arithmetic number, because the mean of its divisors is an integer number (9701773578).

Almost surely, 2^530664421872 is an apocalyptic number.

530664421872 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530664421872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (776141886240).

530664421872 is an abundant number, since it is smaller than the sum of its proper divisors (1021619350608).

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

530664421872 is a wasteful number, since it uses less digits than its factorization.

530664421872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480851 (or 480845 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 530664421872 in words is "five hundred thirty billion, six hundred sixty-four million, four hundred twenty-one thousand, eight hundred seventy-two".