1368348016 has 80 divisors (see below), whose sum is σ = 3174511104. Its totient is φ = 558657792.

The previous prime is 1368347971. The next prime is 1368348017. The reversal of 1368348016 is 6108438631.

It is a happy number.

It is a super-2 number, since 2×1368348016² = 3744752585782272512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1368348016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368348017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 728070 + ... + 729946.

Almost surely, 2^1368348016 is an apocalyptic number.

1368348016 is a gapful number since it is divisible by the number (16) 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 1368348016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1587255552).

1368348016 is an abundant number, since it is smaller than the sum of its proper divisors (1806163088).

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

1368348016 is a wasteful number, since it uses less digits than its factorization.

1368348016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198 (or 2192 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 1368348016 is about 36991.1883561477. The cubic root of 1368348016 is about 1110.1939482000.

The spelling of 1368348016 in words is "one billion, three hundred sixty-eight million, three hundred forty-eight thousand, sixteen".