16001431743180 has 48 divisors (see below), whose sum is σ = 48250471104864. Its totient is φ = 3938813967360.

The previous prime is 16001431743173. The next prime is 16001431743181. The reversal of 16001431743180 is 8134713410061.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (16001431743181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10257327261 + ... + 10257328820.

It is an arithmetic number, because the mean of its divisors is an integer number (1005218148018).

Almost surely, 2^{16001431743180} is an apocalyptic number.

16001431743180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16001431743180 is an abundant number, since it is smaller than the sum of its proper divisors (32249039361684).

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

16001431743180 is a wasteful number, since it uses less digits than its factorization.

16001431743180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20514656106 (or 20514656104 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 16001431743180 in words is "sixteen trillion, one billion, four hundred thirty-one million, seven hundred forty-three thousand, one hundred eighty".