16387925380 has 12 divisors (see below), whose sum is σ = 34414643340. Its totient is φ = 6555170144.

The previous prime is 16387925327. The next prime is 16387925381. The reversal of 16387925380 is 8352978361.

16387925380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7153099776 + 9234825604 = 84576^2 + 96098^2 .

It is not an unprimeable number, because it can be changed into a prime (16387925381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409698115 + ... + 409698154.

It is an arithmetic number, because the mean of its divisors is an integer number (2867886945).

Almost surely, 2^16387925380 is an apocalyptic number.

16387925380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16387925380 is an abundant number, since it is smaller than the sum of its proper divisors (18026717960).

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

16387925380 is a wasteful number, since it uses less digits than its factorization.

16387925380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819396278 (or 819396276 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 16387925380 in words is "sixteen billion, three hundred eighty-seven million, nine hundred twenty-five thousand, three hundred eighty".