16665003000036 has 36 divisors (see below), whose sum is σ = 42125557673472. Its totient is φ = 5554983405744.

The previous prime is 16665002999987. The next prime is 16665003000043. The reversal of 16665003000036 is 63000030056661.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 16061541 + ... + 17067603.

Almost surely, 2^{16665003000036} is an apocalyptic number.

It is an amenable number.

16665003000036 is an abundant number, since it is smaller than the sum of its proper divisors (25460554673436).

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

16665003000036 is a wasteful number, since it uses less digits than its factorization.

16665003000036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466200 (or 1466195 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

Adding to 16665003000036 its reverse (63000030056661), we get a palindrome (79665033056697).

The spelling of 16665003000036 in words is "sixteen trillion, six hundred sixty-five billion, three million, thirty-six", and thus it is an aban number.