18916960350 has 24 divisors (see below), whose sum is σ = 46914062040. Its totient is φ = 5044522720.

The previous prime is 18916960303. The next prime is 18916960379. The reversal of 18916960350 is 5306961981.

It is a self number, because there is not a number n which added to its sum of digits gives 18916960350.

It is a congruent number.

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, 63056385 + ... + 63056684.

It is an arithmetic number, because the mean of its divisors is an integer number (1954752585).

Almost surely, 2^18916960350 is an apocalyptic number.

18916960350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18916960350 is an abundant number, since it is smaller than the sum of its proper divisors (27997101690).

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

18916960350 is a wasteful number, since it uses less digits than its factorization.

18916960350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126113084 (or 126113079 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 48.

The spelling of 18916960350 in words is "eighteen billion, nine hundred sixteen million, nine hundred sixty thousand, three hundred fifty".