1351911168 has 144 divisors (see below), whose sum is σ = 4016950560. Its totient is φ = 448487424.

The previous prime is 1351911151. The next prime is 1351911203. The reversal of 1351911168 is 8611191531.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2190796 + ... + 2191412.

It is an arithmetic number, because the mean of its divisors is an integer number (27895490).

Almost surely, 2^1351911168 is an apocalyptic number.

1351911168 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 1351911168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2008475280).

1351911168 is an abundant number, since it is smaller than the sum of its proper divisors (2665039392).

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

1351911168 is an equidigital number, since it uses as much as digits as its factorization.

1351911168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959 (or 939 counting only the distinct ones).

The product of its digits is 6480, while the sum is 36.

The square root of 1351911168 is about 36768.3446459043. The cubic root of 1351911168 is about 1105.7307446450.

The spelling of 1351911168 in words is "one billion, three hundred fifty-one million, nine hundred eleven thousand, one hundred sixty-eight".