16146974448 has 60 divisors (see below), whose sum is σ = 49297207128. Its totient is φ = 4893022080.

The previous prime is 16146974423. The next prime is 16146974449. The reversal of 16146974448 is 84447964161.

It is a junction number, because it is equal to n+sod(n) for n = 16146974394 and 16146974403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16146974449) 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, 5095315 + ... + 5098482.

Almost surely, 2^16146974448 is an apocalyptic number.

16146974448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16146974448 is an abundant number, since it is smaller than the sum of its proper divisors (33150232680).

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

16146974448 is a wasteful number, since it uses less digits than its factorization.

16146974448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10193822 (or 10193813 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 16146974448 in words is "sixteen billion, one hundred forty-six million, nine hundred seventy-four thousand, four hundred forty-eight".