16381048056 has 64 divisors (see below), whose sum is σ = 43124918400. Its totient is φ = 5170935168.

The previous prime is 16381048027. The next prime is 16381048091. The reversal of 16381048056 is 65084018361.

It is a junction number, because it is equal to n+sod(n) for n = 16381047999 and 16381048017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1520866 + ... + 1531598.

It is an arithmetic number, because the mean of its divisors is an integer number (673826850).

Almost surely, 2^16381048056 is an apocalyptic number.

It is an amenable number.

16381048056 is an abundant number, since it is smaller than the sum of its proper divisors (26743870344).

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

16381048056 is a wasteful number, since it uses less digits than its factorization.

16381048056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14108 (or 14104 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 16381048056 in words is "sixteen billion, three hundred eighty-one million, forty-eight thousand, fifty-six".