16128503750 has 20 divisors (see below), whose sum is σ = 30231269772. Its totient is φ = 6451401000.

The previous prime is 16128503749. The next prime is 16128503819. The reversal of 16128503750 is 5730582161.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6450152 + ... + 6452651.

Almost surely, 2^16128503750 is an apocalyptic number.

16128503750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16128503750 is a deficient number, since it is larger than the sum of its proper divisors (14102766022).

16128503750 is an equidigital number, since it uses as much as digits as its factorization.

16128503750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12902825 (or 12902810 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 16128503750 in words is "sixteen billion, one hundred twenty-eight million, five hundred three thousand, seven hundred fifty".