1368204686 has 16 divisors (see below), whose sum is σ = 2147100480. Its totient is φ = 653214720.

The previous prime is 1368204679. The next prime is 1368204707. The reversal of 1368204686 is 6864028631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173651 + ... + 181358.

It is an arithmetic number, because the mean of its divisors is an integer number (134193780).

Almost surely, 2^1368204686 is an apocalyptic number.

1368204686 is a deficient number, since it is larger than the sum of its proper divisors (778895794).

1368204686 is a wasteful number, since it uses less digits than its factorization.

1368204686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355099.

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 1368204686 is about 36989.2509521347. The cubic root of 1368204686 is about 1110.1551837792.

The spelling of 1368204686 in words is "one billion, three hundred sixty-eight million, two hundred four thousand, six hundred eighty-six".