1368922568 has 16 divisors (see below), whose sum is σ = 2764170780. Its totient is φ = 631810368.

The previous prime is 1368922561. The next prime is 1368922571. The reversal of 1368922568 is 8652298631.

It can be written as a sum of positive squares in 2 ways, for example, as 1344102244 + 24820324 = 36662^2 + 4982^2 .

It is not an unprimeable number, because it can be changed into a prime (1368922561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6581255 + ... + 6581462.

Almost surely, 2^1368922568 is an apocalyptic number.

It is an amenable number.

1368922568 is an abundant number, since it is smaller than the sum of its proper divisors (1395248212).

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

1368922568 is a wasteful number, since it uses less digits than its factorization.

1368922568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13162736 (or 13162732 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The square root of 1368922568 is about 36998.9536068252. The cubic root of 1368922568 is about 1110.3493119159.

The spelling of 1368922568 in words is "one billion, three hundred sixty-eight million, nine hundred twenty-two thousand, five hundred sixty-eight".