324312501656 has 128 divisors (see below), whose sum is σ = 732895007040. Its totient is φ = 132561100800.

The previous prime is 324312501553. The next prime is 324312501659. The reversal of 324312501656 is 656105213423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324312501659) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34375916 + ... + 34385348.

Almost surely, 2^324312501656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 324312501656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366447503520).

324312501656 is an abundant number, since it is smaller than the sum of its proper divisors (408582505384).

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

324312501656 is a wasteful number, since it uses less digits than its factorization.

324312501656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10237 (or 10233 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 324312501656 in words is "three hundred twenty-four billion, three hundred twelve million, five hundred one thousand, six hundred fifty-six".