16944112211429 has 8 divisors (see below), whose sum is σ = 18248365635192. Its totient is φ = 15639981670080.

The previous prime is 16944112211387. The next prime is 16944112211449. The reversal of 16944112211429 is 92411221144961.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1479320010529 + 15464792200900 = 1216273^2 + 3932530^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16944112211429 - 2⁴⁰ = 15844600583653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16944112211449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30434114 + ... + 30985859.

It is an arithmetic number, because the mean of its divisors is an integer number (2281045704399).

Almost surely, 2^{16944112211429} is an apocalyptic number.

It is an amenable number.

16944112211429 is a deficient number, since it is larger than the sum of its proper divisors (1304253423763).

16944112211429 is a wasteful number, since it uses less digits than its factorization.

16944112211429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61441207.

The product of its digits is 248832, while the sum is 47.

The spelling of 16944112211429 in words is "sixteen trillion, nine hundred forty-four billion, one hundred twelve million, two hundred eleven thousand, four hundred twenty-nine".