16944940837 has 8 divisors (see below), whose sum is σ = 18630945792. Its totient is φ = 15283195200.

The previous prime is 16944940823. The next prime is 16944940841. The reversal of 16944940837 is 73804944961.

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 16944940837 - 2¹¹ = 16944938789 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 (16944949837) 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, 6063364 + ... + 6066157.

It is an arithmetic number, because the mean of its divisors is an integer number (2328868224).

Almost surely, 2^16944940837 is an apocalyptic number.

It is an amenable number.

16944940837 is a deficient number, since it is larger than the sum of its proper divisors (1686004955).

16944940837 is a wasteful number, since it uses less digits than its factorization.

16944940837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12129659.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 16944940837 in words is "sixteen billion, nine hundred forty-four million, nine hundred forty thousand, eight hundred thirty-seven".