232161241920 has 896 divisors, whose sum is σ = 832598507520. Its totient is φ = 54597058560.

The previous prime is 232161241909. The next prime is 232161241933. The reversal of 232161241920 is 29142161232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2253992589 + ... + 2253992691.

Almost surely, 2^232161241920 is an apocalyptic number.

232161241920 is a gapful number since it is divisible by the number (20) 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 232161241920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416299253760).

232161241920 is an abundant number, since it is smaller than the sum of its proper divisors (600437265600).

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

232161241920 is a wasteful number, since it uses less digits than its factorization.

232161241920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 232161241920 in words is "two hundred thirty-two billion, one hundred sixty-one million, two hundred forty-one thousand, nine hundred twenty".