16418815950 has 48 divisors (see below), whose sum is σ = 40863674736. Its totient is φ = 4362758400.

The previous prime is 16418815939. The next prime is 16418815961. The reversal of 16418815950 is 5951881461.

It is an interprime number because it is at equal distance from previous prime (16418815939) and next prime (16418815961).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16418815950.

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, 152617 + ... + 236916.

It is an arithmetic number, because the mean of its divisors is an integer number (851326557).

Almost surely, 2^16418815950 is an apocalyptic number.

16418815950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16418815950 is an abundant number, since it is smaller than the sum of its proper divisors (24444858786).

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

16418815950 is a wasteful number, since it uses less digits than its factorization.

16418815950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389829 (or 389824 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 48.

The spelling of 16418815950 in words is "sixteen billion, four hundred eighteen million, eight hundred fifteen thousand, nine hundred fifty".