1368368169 has 12 divisors (see below), whose sum is σ = 2122367184. Its totient is φ = 781924584.

The previous prime is 1368368149. The next prime is 1368368173. The reversal of 1368368169 is 9618638631.

It is not a de Polignac number, because 1368368169 - 2⁷ = 1368368041 is a prime.

It is a super-2 number, since 2×1368368169² = 3744862891864825122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1368368149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4654167 + ... + 4654460.

It is an arithmetic number, because the mean of its divisors is an integer number (176863932).

Almost surely, 2^1368368169 is an apocalyptic number.

It is an amenable number.

1368368169 is a deficient number, since it is larger than the sum of its proper divisors (753999015).

1368368169 is an equidigital number, since it uses as much as digits as its factorization.

1368368169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9308644 (or 9308637 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 1368368169 is about 36991.4607578560. The cubic root of 1368368169 is about 1110.1993984774.

The spelling of 1368368169 in words is "one billion, three hundred sixty-eight million, three hundred sixty-eight thousand, one hundred sixty-nine".