16072075644 has 12 divisors (see below), whose sum is σ = 37501509864. Its totient is φ = 5357358544.

The previous prime is 16072075609. The next prime is 16072075693. The reversal of 16072075644 is 44657027061.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 16072075596 and 16072075605.

It is a congruent number.

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, 669669807 + ... + 669669830.

It is an arithmetic number, because the mean of its divisors is an integer number (3125125822).

Almost surely, 2^16072075644 is an apocalyptic number.

It is an amenable number.

16072075644 is an abundant number, since it is smaller than the sum of its proper divisors (21429434220).

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

16072075644 is a wasteful number, since it uses less digits than its factorization.

16072075644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339339644 (or 1339339642 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 16072075644 in words is "sixteen billion, seventy-two million, seventy-five thousand, six hundred forty-four".