16326603040 has 96 divisors (see below), whose sum is σ = 42133089600. Its totient is φ = 5929190400.

The previous prime is 16326603031. The next prime is 16326603101. The reversal of 16326603040 is 4030662361.

It is a junction number, because it is equal to n+sod(n) for n = 16326602993 and 16326603011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1439311 + ... + 1450609.

It is an arithmetic number, because the mean of its divisors is an integer number (438886350).

Almost surely, 2^16326603040 is an apocalyptic number.

16326603040 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 16326603040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21066544800).

16326603040 is an abundant number, since it is smaller than the sum of its proper divisors (25806486560).

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

16326603040 is a wasteful number, since it uses less digits than its factorization.

16326603040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12146 (or 12138 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 16326603040 in words is "sixteen billion, three hundred twenty-six million, six hundred three thousand, forty".