231616060 has 48 divisors (see below), whose sum is σ = 536016096. Its totient is φ = 83526912.

The previous prime is 231616057. The next prime is 231616087. The reversal of 231616060 is 60616132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 822 + ... + 21538.

It is an arithmetic number, because the mean of its divisors is an integer number (11167002).

Almost surely, 2^231616060 is an apocalyptic number.

231616060 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 231616060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268008048).

231616060 is an abundant number, since it is smaller than the sum of its proper divisors (304400036).

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

231616060 is a wasteful number, since it uses less digits than its factorization.

231616060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20782 (or 20780 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 231616060 is about 15218.9375450456. The cubic root of 231616060 is about 614.1242166817.

The spelling of 231616060 in words is "two hundred thirty-one million, six hundred sixteen thousand, sixty".