16001544380 has 24 divisors (see below), whose sum is σ = 33618032448. Its totient is φ = 6397800768.

The previous prime is 16001544379. The next prime is 16001544409. The reversal of 16001544380 is 8344510061.

16001544380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 129179 + ... + 220658.

It is an arithmetic number, because the mean of its divisors is an integer number (1400751352).

Almost surely, 2^16001544380 is an apocalyptic number.

16001544380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16001544380 is an abundant number, since it is smaller than the sum of its proper divisors (17616488068).

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

16001544380 is a wasteful number, since it uses less digits than its factorization.

16001544380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352133 (or 352131 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 16001544380 in words is "sixteen billion, one million, five hundred forty-four thousand, three hundred eighty".