16770445344 has 72 divisors (see below), whose sum is σ = 48344315292. Its totient is φ = 5513564160.

The previous prime is 16770445343. The next prime is 16770445357. The reversal of 16770445344 is 44354407761.

16770445344 is a `hidden beast` number, since 1 + 6 + 7 + 70 + 44 + 534 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16378880400 + 391564944 = 127980^2 + 19788^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 16770445344.

It is not an unprimeable number, because it can be changed into a prime (16770445343) 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, 377817 + ... + 419864.

Almost surely, 2^16770445344 is an apocalyptic number.

It is an amenable number.

16770445344 is an abundant number, since it is smaller than the sum of its proper divisors (31573869948).

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

16770445344 is a wasteful number, since it uses less digits than its factorization.

16770445344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797770 (or 797759 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The spelling of 16770445344 in words is "sixteen billion, seven hundred seventy million, four hundred forty-five thousand, three hundred forty-four".