1368789817008 has 160 divisors (see below), whose sum is σ = 3684951148032. Its totient is φ = 437447116800.

The previous prime is 1368789816959. The next prime is 1368789817009. The reversal of 1368789817008 is 8007189878631.

It is a self number, because there is not a number n which added to its sum of digits gives 1368789817008.

It is not an unprimeable number, because it can be changed into a prime (1368789817009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154017141 + ... + 154026027.

Almost surely, 2^{1368789817008} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1368789817008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1842475574016).

1368789817008 is an abundant number, since it is smaller than the sum of its proper divisors (2316161331024).

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

1368789817008 is a wasteful number, since it uses less digits than its factorization.

1368789817008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10283 (or 10277 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 66.

The spelling of 1368789817008 in words is "one trillion, three hundred sixty-eight billion, seven hundred eighty-nine million, eight hundred seventeen thousand, eight".