16423885835136 has 768 divisors, whose sum is σ = 55743076247040. Its totient is φ = 4775322968064.

The previous prime is 16423885835131. The next prime is 16423885835153. The reversal of 16423885835136 is 63153858832461.

16423885835136 is a `hidden beast` number, since 1 + 6 + 4 + 2 + 38 + 8 + 5 + 83 + 513 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16423885835131) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 771897330 + ... + 771918606.

It is an arithmetic number, because the mean of its divisors is an integer number (72582130530).

Almost surely, 2^{16423885835136} is an apocalyptic number.

16423885835136 is a gapful number since it is divisible by the number (16) 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 16423885835136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27871538123520).

16423885835136 is an abundant number, since it is smaller than the sum of its proper divisors (39319190411904).

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

16423885835136 is a wasteful number, since it uses less digits than its factorization.

16423885835136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21425 (or 21401 counting only the distinct ones).

The product of its digits is 99532800, while the sum is 63.

The spelling of 16423885835136 in words is "sixteen trillion, four hundred twenty-three billion, eight hundred eighty-five million, eight hundred thirty-five thousand, one hundred thirty-six".