1463644160 has 208 divisors, whose sum is σ = 3927748320. Its totient is φ = 519045120.

The previous prime is 1463644159. The next prime is 1463644163. The reversal of 1463644160 is 614463641.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1463644160.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1463644163) 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 15 ways as a sum of consecutive naturals, for example, 16445396 + ... + 16445484.

Almost surely, 2^1463644160 is an apocalyptic number.

1463644160 is a gapful number since it is divisible by the number (10) 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 1463644160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1963874160).

1463644160 is an abundant number, since it is smaller than the sum of its proper divisors (2464104160).

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

1463644160 is an equidigital number, since it uses as much as digits as its factorization.

1463644160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 1463644160 is about 38257.6026431349. The cubic root of 1463644160 is about 1135.3902698993.

The spelling of 1463644160 in words is "one billion, four hundred sixty-three million, six hundred forty-four thousand, one hundred sixty".