16791441408 has 156 divisors (see below), whose sum is σ = 55432494208. Its totient is φ = 4797480960.

The previous prime is 16791441379. The next prime is 16791441419. The reversal of 16791441408 is 80414419761.

16791441408 is a `hidden beast` number, since 167 + 9 + 1 + 441 + 40 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225513 + ... + 290583.

Almost surely, 2^16791441408 is an apocalyptic number.

16791441408 is a gapful number since it is divisible by the number (18) 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 16791441408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27716247104).

16791441408 is an abundant number, since it is smaller than the sum of its proper divisors (38641052800).

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

16791441408 is an equidigital number, since it uses as much as digits as its factorization.

16791441408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65108 (or 65083 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 16791441408 in words is "sixteen billion, seven hundred ninety-one million, four hundred forty-one thousand, four hundred eight".