16138297152 has 84 divisors (see below), whose sum is σ = 46428655936. Its totient is φ = 5359530240.

The previous prime is 16138297151. The next prime is 16138297181. The reversal of 16138297152 is 25179283161.

16138297152 is a `hidden beast` number, since 1 + 613 + 8 + 29 + 7 + 1 + 5 + 2 = 666.

It is a super-2 number, since 2×16138297152² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16138297098 and 16138297107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16138297151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104403 + ... + 207789.

Almost surely, 2^16138297152 is an apocalyptic number.

16138297152 is a gapful number since it is divisible by the number (12) 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 16138297152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23214327968).

16138297152 is an abundant number, since it is smaller than the sum of its proper divisors (30290358784).

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

16138297152 is a wasteful number, since it uses less digits than its factorization.

16138297152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103676 (or 103663 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The spelling of 16138297152 in words is "sixteen billion, one hundred thirty-eight million, two hundred ninety-seven thousand, one hundred fifty-two".