16271376605640 has 384 divisors, whose sum is σ = 58409950435200. Its totient is φ = 3902809559040.

The previous prime is 16271376605629. The next prime is 16271376605669. The reversal of 16271376605640 is 4650667317261.

16271376605640 is a `hidden beast` number, since 1 + 6 + 2 + 7 + 1 + 3 + 76 + 6 + 0 + 564 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 158633491 + ... + 158736029.

It is an arithmetic number, because the mean of its divisors is an integer number (152109245925).

Almost surely, 2^{16271376605640} is an apocalyptic number.

16271376605640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16271376605640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29204975217600).

16271376605640 is an abundant number, since it is smaller than the sum of its proper divisors (42138573829560).

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

16271376605640 is a wasteful number, since it uses less digits than its factorization.

16271376605640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103437 (or 103430 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 16271376605640 in words is "sixteen trillion, two hundred seventy-one billion, three hundred seventy-six million, six hundred five thousand, six hundred forty".