16411511107640 has 64 divisors (see below), whose sum is σ = 40336439685120. Its totient is φ = 5959875600000.

The previous prime is 16411511107603. The next prime is 16411511107703. The reversal of 16411511107640 is 4670111511461.

It is a junction number, because it is equal to n+sod(n) for n = 16411511107594 and 16411511107603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24502376 + ... + 25163255.

It is an arithmetic number, because the mean of its divisors is an integer number (630256870080).

Almost surely, 2^{16411511107640} is an apocalyptic number.

16411511107640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16411511107640 is an abundant number, since it is smaller than the sum of its proper divisors (23924928577480).

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

16411511107640 is a wasteful number, since it uses less digits than its factorization.

16411511107640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49666404 (or 49666400 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 38.

The spelling of 16411511107640 in words is "sixteen trillion, four hundred eleven billion, five hundred eleven million, one hundred seven thousand, six hundred forty".