231748160 has 112 divisors (see below), whose sum is σ = 634617984. Its totient is φ = 78962688.

The previous prime is 231748141. The next prime is 231748169. The reversal of 231748160 is 61847132.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231748169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 687512 + ... + 687848.

It is an arithmetic number, because the mean of its divisors is an integer number (5666232).

Almost surely, 2^231748160 is an apocalyptic number.

231748160 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 231748160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317308992).

231748160 is an abundant number, since it is smaller than the sum of its proper divisors (402869824).

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

231748160 is a wasteful number, since it uses less digits than its factorization.

231748160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 231748160 is about 15223.2769139893. The cubic root of 231748160 is about 614.2409477794.

The spelling of 231748160 in words is "two hundred thirty-one million, seven hundred forty-eight thousand, one hundred sixty".