1368418688 has 144 divisors (see below), whose sum is σ = 3436597260. Its totient is φ = 540933120.

The previous prime is 1368418669. The next prime is 1368418697. The reversal of 1368418688 is 8868148631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1059323 + ... + 1060613.

Almost surely, 2^1368418688 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 1368418688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1718298630).

1368418688 is an abundant number, since it is smaller than the sum of its proper divisors (2068178572).

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

1368418688 is a wasteful number, since it uses less digits than its factorization.

1368418688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345 (or 1313 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 53.

The square root of 1368418688 is about 36992.1435983372. The cubic root of 1368418688 is about 1110.2130608515.

The spelling of 1368418688 in words is "one billion, three hundred sixty-eight million, four hundred eighteen thousand, six hundred eighty-eight".