1668990003036 has 96 divisors (see below), whose sum is σ = 3954076465920. Its totient is φ = 547874855424.

The previous prime is 1668990003029. The next prime is 1668990003049. The reversal of 1668990003036 is 6303000998661.

It is a self number, because there is not a number n which added to its sum of digits gives 1668990003036.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104874216 + ... + 104890128.

It is an arithmetic number, because the mean of its divisors is an integer number (41188296520).

Almost surely, 2^{1668990003036} is an apocalyptic number.

It is an amenable number.

1668990003036 is an abundant number, since it is smaller than the sum of its proper divisors (2285086462884).

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

1668990003036 is a wasteful number, since it uses less digits than its factorization.

1668990003036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16563 (or 16561 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 51.

The spelling of 1668990003036 in words is "one trillion, six hundred sixty-eight billion, nine hundred ninety million, three thousand, thirty-six".