16234438122 has 80 divisors (see below), whose sum is σ = 41942146752. Its totient is φ = 4597326720.

The previous prime is 16234438117. The next prime is 16234438123. The reversal of 16234438122 is 22183443261.

16234438122 is a `hidden beast` number, since 1 + 623 + 4 + 4 + 3 + 8 + 1 + 22 = 666.

It is a super-2 number, since 2×16234438122² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16234438123) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 64797 + ... + 191487.

Almost surely, 2^16234438122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16234438122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20971073376).

16234438122 is an abundant number, since it is smaller than the sum of its proper divisors (25707708630).

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

16234438122 is a wasteful number, since it uses less digits than its factorization.

16234438122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126825 (or 126816 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The spelling of 16234438122 in words is "sixteen billion, two hundred thirty-four million, four hundred thirty-eight thousand, one hundred twenty-two".