1331944676176 has 80 divisors (see below), whose sum is σ = 2682836287488. Its totient is φ = 639918115200.

The previous prime is 1331944676171. The next prime is 1331944676189. The reversal of 1331944676176 is 6716764491331.

It is a self number, because there is not a number n which added to its sum of digits gives 1331944676176.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331944676171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51807741 + ... + 51833443.

Almost surely, 2^{1331944676176} is an apocalyptic number.

1331944676176 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1331944676176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1341418143744).

1331944676176 is an abundant number, since it is smaller than the sum of its proper divisors (1350891611312).

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

1331944676176 is a wasteful number, since it uses less digits than its factorization.

1331944676176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26480 (or 26474 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 58.

The spelling of 1331944676176 in words is "one trillion, three hundred thirty-one billion, nine hundred forty-four million, six hundred seventy-six thousand, one hundred seventy-six".