983166311223120 has 80 divisors (see below), whose sum is σ = 3146132195937792. Its totient is φ = 253720338378240.

The previous prime is 983166311223097. The next prime is 983166311223139. The reversal of 983166311223120 is 21322113661389.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 983166311223120.

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, 66072997347 + ... + 66073012226.

Almost surely, 2^{983166311223120} is an apocalyptic number.

It is an amenable number.

983166311223120 is an abundant number, since it is smaller than the sum of its proper divisors (2162965884714672).

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

983166311223120 is a wasteful number, since it uses less digits than its factorization.

983166311223120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132146009620 (or 132146009614 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

The spelling of 983166311223120 in words is "nine hundred eighty-three trillion, one hundred sixty-six billion, three hundred eleven million, two hundred twenty-three thousand, one hundred twenty".