16015214444 has 6 divisors (see below), whose sum is σ = 28026625284. Its totient is φ = 8007607220.

The previous prime is 16015214419. The next prime is 16015214483. The reversal of 16015214444 is 44441251061.

It is a self number, because there is not a number n which added to its sum of digits gives 16015214444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2001901802 + ... + 2001901809.

It is an arithmetic number, because the mean of its divisors is an integer number (4671104214).

Almost surely, 2^16015214444 is an apocalyptic number.

It is an amenable number.

16015214444 is a deficient number, since it is larger than the sum of its proper divisors (12011410840).

16015214444 is a wasteful number, since it uses less digits than its factorization.

16015214444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4003803615 (or 4003803613 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 16015214444 in words is "sixteen billion, fifteen million, two hundred fourteen thousand, four hundred forty-four".