16128743828 has 12 divisors (see below), whose sum is σ = 28263295200. Its totient is φ = 8053516632.

The previous prime is 16128743819. The next prime is 16128743837. The reversal of 16128743828 is 82834782161.

It is an interprime number because it is at equal distance from previous prime (16128743819) and next prime (16128743837).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2710478 + ... + 2716421.

It is an arithmetic number, because the mean of its divisors is an integer number (2355274600).

Almost surely, 2^16128743828 is an apocalyptic number.

It is an amenable number.

16128743828 is a deficient number, since it is larger than the sum of its proper divisors (12134551372).

16128743828 is a wasteful number, since it uses less digits than its factorization.

16128743828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5427646 (or 5427644 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 50.

The spelling of 16128743828 in words is "sixteen billion, one hundred twenty-eight million, seven hundred forty-three thousand, eight hundred twenty-eight".