16944642492 has 48 divisors (see below), whose sum is σ = 42294863520. Its totient is φ = 5261156352.

The previous prime is 16944642419. The next prime is 16944642499. The reversal of 16944642492 is 29424644961.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16944642499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408367 + ... + 447942.

It is an arithmetic number, because the mean of its divisors is an integer number (881142990).

Almost surely, 2^16944642492 is an apocalyptic number.

16944642492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16944642492 is an abundant number, since it is smaller than the sum of its proper divisors (25350221028).

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

16944642492 is a wasteful number, since it uses less digits than its factorization.

16944642492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856430 (or 856428 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 51.

The spelling of 16944642492 in words is "sixteen billion, nine hundred forty-four million, six hundred forty-two thousand, four hundred ninety-two".