1361784337488 has 160 divisors (see below), whose sum is σ = 3930172024320. Its totient is φ = 451455275520.

The previous prime is 1361784337481. The next prime is 1361784337499. The reversal of 1361784337488 is 8847334871631.

1361784337488 is a `hidden beast` number, since 1 + 3 + 61 + 78 + 433 + 74 + 8 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361784337481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66642633 + ... + 66663063.

It is an arithmetic number, because the mean of its divisors is an integer number (24563575152).

Almost surely, 2^{1361784337488} is an apocalyptic number.

1361784337488 is a gapful number since it is divisible by the number (18) 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 1361784337488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1965086012160).

1361784337488 is an abundant number, since it is smaller than the sum of its proper divisors (2568387686832).

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

1361784337488 is a wasteful number, since it uses less digits than its factorization.

1361784337488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21282 (or 21270 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 63.

The spelling of 1361784337488 in words is "one trillion, three hundred sixty-one billion, seven hundred eighty-four million, three hundred thirty-seven thousand, four hundred eighty-eight".