16218036599000 has 64 divisors (see below), whose sum is σ = 37950849237600. Its totient is φ = 6487104624000.

The previous prime is 16218036598999. The next prime is 16218036599021. The reversal of 16218036599000 is 99563081261.

It is a happy number.

It is a super-2 number, since 2×16218036599000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 16218036599000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85524290 + ... + 85713710.

Almost surely, 2^{16218036599000} is an apocalyptic number.

16218036599000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16218036599000 is an abundant number, since it is smaller than the sum of its proper divisors (21732812638600).

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

16218036599000 is a wasteful number, since it uses less digits than its factorization.

16218036599000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275061 (or 275047 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 16218036599000 in words is "sixteen trillion, two hundred eighteen billion, thirty-six million, five hundred ninety-nine thousand".