16005154244 has 12 divisors (see below), whose sum is σ = 28015145004. Its totient is φ = 8000827104.

The previous prime is 16005154213. The next prime is 16005154261. The reversal of 16005154244 is 44245150061.

It can be written as a sum of positive squares in 2 ways, for example, as 5812232644 + 10192921600 = 76238^2 + 100960^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16005154244.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416819 + ... + 453594.

It is an arithmetic number, because the mean of its divisors is an integer number (2334595417).

Almost surely, 2^16005154244 is an apocalyptic number.

It is an amenable number.

16005154244 is a deficient number, since it is larger than the sum of its proper divisors (12009990760).

16005154244 is a wasteful number, since it uses less digits than its factorization.

16005154244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875014 (or 875012 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 16005154244 in words is "sixteen billion, five million, one hundred fifty-four thousand, two hundred forty-four".