16001888411380 has 24 divisors (see below), whose sum is σ = 33728887480680. Its totient is φ = 6376960732800.

The previous prime is 16001888411363. The next prime is 16001888411401. The reversal of 16001888411380 is 8311488810061.

It can be written as a sum of positive squares in 4 ways, for example, as 1190027901456 + 14811860509924 = 1090884^2 + 3848618^2 .

It is a super-2 number, since 2×16001888411380² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1487158971 + ... + 1487169730.

It is an arithmetic number, because the mean of its divisors is an integer number (1405370311695).

Almost surely, 2^{16001888411380} is an apocalyptic number.

16001888411380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16001888411380 is an abundant number, since it is smaller than the sum of its proper divisors (17726999069300).

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

16001888411380 is a wasteful number, since it uses less digits than its factorization.

16001888411380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974328979 (or 2974328977 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 49.

The spelling of 16001888411380 in words is "sixteen trillion, one billion, eight hundred eighty-eight million, four hundred eleven thousand, three hundred eighty".