16231982580 has 192 divisors, whose sum is σ = 55335571200. Its totient is φ = 3917514240.

The previous prime is 16231982527. The next prime is 16231982713. The reversal of 16231982580 is 8528913261.

16231982580 is a `hidden beast` number, since 1 + 62 + 3 + 1 + 9 + 8 + 2 + 580 = 666.

16231982580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1354294 + ... + 1366226.

It is an arithmetic number, because the mean of its divisors is an integer number (288206100).

Almost surely, 2^16231982580 is an apocalyptic number.

16231982580 is a gapful number since it is divisible by the number (10) 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 16231982580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27667785600).

16231982580 is an abundant number, since it is smaller than the sum of its proper divisors (39103588620).

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

16231982580 is a wasteful number, since it uses less digits than its factorization.

16231982580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12191 (or 12183 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 16231982580 in words is "sixteen billion, two hundred thirty-one million, nine hundred eighty-two thousand, five hundred eighty".