1368146808 has 384 divisors, whose sum is σ = 4809830400. Its totient is φ = 352512000.

The previous prime is 1368146807. The next prime is 1368146809. The reversal of 1368146808 is 8086418631.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1368146807) and next prime (1368146809).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368146807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13545958 + ... + 13546058.

It is an arithmetic number, because the mean of its divisors is an integer number (12525600).

Almost surely, 2^1368146808 is an apocalyptic number.

1368146808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1368146808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2404915200).

1368146808 is an abundant number, since it is smaller than the sum of its proper divisors (3441683592).

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

1368146808 is a wasteful number, since it uses less digits than its factorization.

1368146808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 1368146808 is about 36988.4685814376. The cubic root of 1368146808 is about 1110.1395295748.

The spelling of 1368146808 in words is "one billion, three hundred sixty-eight million, one hundred forty-six thousand, eight hundred eight".