23939716416 has 168 divisors, whose sum is σ = 79568771520. Its totient is φ = 6218065920.

The previous prime is 23939716403. The next prime is 23939716447. The reversal of 23939716416 is 61461793932.

It is a tau number, because it is divible by the number of its divisors (168).

It is a super-2 number, since 2×23939716416² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89020 + ... + 236228.

It is an arithmetic number, because the mean of its divisors is an integer number (473623640).

Almost surely, 2^23939716416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23939716416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39784385760).

23939716416 is an abundant number, since it is smaller than the sum of its proper divisors (55629055104).

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

23939716416 is a wasteful number, since it uses less digits than its factorization.

23939716416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147253 (or 147232 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 51.

The spelling of 23939716416 in words is "twenty-three billion, nine hundred thirty-nine million, seven hundred sixteen thousand, four hundred sixteen".