1363279165920 has 384 divisors, whose sum is σ = 5468607406080. Its totient is φ = 310721495040.

The previous prime is 1363279165753. The next prime is 1363279165949. The reversal of 1363279165920 is 295619723631.

1363279165920 is a `hidden beast` number, since 1 + 3 + 6 + 32 + 7 + 9 + 16 + 592 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10610865 + ... + 10738575.

It is an arithmetic number, because the mean of its divisors is an integer number (14241165120).

Almost surely, 2^{1363279165920} is an apocalyptic number.

1363279165920 is a gapful number since it is divisible by the number (10) 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 1363279165920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2734303703040).

1363279165920 is an abundant number, since it is smaller than the sum of its proper divisors (4105328240160).

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

1363279165920 is a wasteful number, since it uses less digits than its factorization.

1363279165920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128095 (or 128081 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The spelling of 1363279165920 in words is "one trillion, three hundred sixty-three billion, two hundred seventy-nine million, one hundred sixty-five thousand, nine hundred twenty".