16317911040 has 312 divisors, whose sum is σ = 55523184960. Its totient is φ = 4091019264.

The previous prime is 16317911021. The next prime is 16317911083. The reversal of 16317911040 is 4011971361.

It is a junction number, because it is equal to n+sod(n) for n = 16317910992 and 16317911010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17755701 + ... + 17756619.

Almost surely, 2^16317911040 is an apocalyptic number.

16317911040 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 16317911040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27761592480).

16317911040 is an abundant number, since it is smaller than the sum of its proper divisors (39205273920).

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

16317911040 is an equidigital number, since it uses as much as digits as its factorization.

16317911040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 33.

The spelling of 16317911040 in words is "sixteen billion, three hundred seventeen million, nine hundred eleven thousand, forty".