1481613768 has 128 divisors (see below), whose sum is σ = 4386672000. Its totient is φ = 467773056.

The previous prime is 1481613751. The next prime is 1481613773. The reversal of 1481613768 is 8673161841.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330196 + ... + 334652.

It is an arithmetic number, because the mean of its divisors is an integer number (34270875).

Almost surely, 2^1481613768 is an apocalyptic number.

1481613768 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 1481613768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2193336000).

1481613768 is an abundant number, since it is smaller than the sum of its proper divisors (2905058232).

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

1481613768 is an equidigital number, since it uses as much as digits as its factorization.

1481613768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4503 (or 4481 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 1481613768 is about 38491.7363598994. The cubic root of 1481613768 is about 1140.0178944560.

The spelling of 1481613768 in words is "one billion, four hundred eighty-one million, six hundred thirteen thousand, seven hundred sixty-eight".