16944139158 has 32 divisors (see below), whose sum is σ = 34014876000. Its totient is φ = 5626976256.

The previous prime is 16944139127. The next prime is 16944139189. The reversal of 16944139158 is 85193144961.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16944139127) and next prime (16944139189).

It is a self number, because there is not a number n which added to its sum of digits gives 16944139158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3039798 + ... + 3045366.

It is an arithmetic number, because the mean of its divisors is an integer number (1062964875).

Almost surely, 2^16944139158 is an apocalyptic number.

16944139158 is an abundant number, since it is smaller than the sum of its proper divisors (17070736842).

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

16944139158 is a wasteful number, since it uses less digits than its factorization.

16944139158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7376.

The product of its digits is 933120, while the sum is 51.

The spelling of 16944139158 in words is "sixteen billion, nine hundred forty-four million, one hundred thirty-nine thousand, one hundred fifty-eight".