16046881452 has 144 divisors (see below), whose sum is σ = 49110647040. Its totient is φ = 4315648896.

The previous prime is 16046881439. The next prime is 16046881453. The reversal of 16046881452 is 25418864061.

It is a happy number.

16046881452 is a `hidden beast` number, since 1 + 60 + 4 + 68 + 81 + 452 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 16046881398 and 16046881407.

It is not an unprimeable number, because it can be changed into a prime (16046881453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 741043 + ... + 762389.

It is an arithmetic number, because the mean of its divisors is an integer number (341046160).

Almost surely, 2^16046881452 is an apocalyptic number.

16046881452 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 16046881452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24555323520).

16046881452 is an abundant number, since it is smaller than the sum of its proper divisors (33063765588).

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

16046881452 is a wasteful number, since it uses less digits than its factorization.

16046881452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21540 (or 21535 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 16046881452 in words is "sixteen billion, forty-six million, eight hundred eighty-one thousand, four hundred fifty-two".