16432523467540 has 96 divisors (see below), whose sum is σ = 35878692931200. Its totient is φ = 6314292472320.

The previous prime is 16432523467531. The next prime is 16432523467543. The reversal of 16432523467540 is 4576432523461.

It is a super-2 number, since 2×16432523467540² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16432523467543) 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, 424516867 + ... + 424555573.

It is an arithmetic number, because the mean of its divisors is an integer number (373736384700).

Almost surely, 2^{16432523467540} is an apocalyptic number.

16432523467540 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 16432523467540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17939346465600).

16432523467540 is an abundant number, since it is smaller than the sum of its proper divisors (19446169463660).

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

16432523467540 is a wasteful number, since it uses less digits than its factorization.

16432523467540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42425 (or 42423 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 52.

The spelling of 16432523467540 in words is "sixteen trillion, four hundred thirty-two billion, five hundred twenty-three million, four hundred sixty-seven thousand, five hundred forty".