663213372852 has 24 divisors (see below), whose sum is σ = 1547521668000. Its totient is φ = 221067724576.

The previous prime is 663213372841. The next prime is 663213372863. The reversal of 663213372852 is 258273312366.

It is an interprime number because it is at equal distance from previous prime (663213372841) and next prime (663213372863).

It is a super-2 number, since 2×663213372852² (a number of 24 digits) contains 22 as substring.

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, 461899 + ... + 1240877.

It is an arithmetic number, because the mean of its divisors is an integer number (64480069500).

Almost surely, 2^663213372852 is an apocalyptic number.

It is an amenable number.

663213372852 is an abundant number, since it is smaller than the sum of its proper divisors (884308295148).

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

663213372852 is a wasteful number, since it uses less digits than its factorization.

663213372852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849935 (or 849933 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 48.

The spelling of 663213372852 in words is "six hundred sixty-three billion, two hundred thirteen million, three hundred seventy-two thousand, eight hundred fifty-two".