16508416040 has 32 divisors (see below), whose sum is σ = 37206000000. Its totient is φ = 6592332864.

The previous prime is 16508416039. The next prime is 16508416061. The reversal of 16508416040 is 4061480561.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320540 + ... + 368459.

It is an arithmetic number, because the mean of its divisors is an integer number (1162687500).

Almost surely, 2^16508416040 is an apocalyptic number.

16508416040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16508416040 is an abundant number, since it is smaller than the sum of its proper divisors (20697583960).

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

16508416040 is a wasteful number, since it uses less digits than its factorization.

16508416040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689609 (or 689605 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 16508416040 in words is "sixteen billion, five hundred eight million, four hundred sixteen thousand, forty".