1819536768 has 96 divisors (see below), whose sum is σ = 5983919760. Its totient is φ = 519865344.

The previous prime is 1819536757. The next prime is 1819536773. The reversal of 1819536768 is 8676359181.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104755 + ... + 120882.

Almost surely, 2^1819536768 is an apocalyptic number.

1819536768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1819536768 is an abundant number, since it is smaller than the sum of its proper divisors (4164382992).

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

1819536768 is a wasteful number, since it uses less digits than its factorization.

1819536768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225664 (or 225649 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 1819536768 is about 42656.0285071173. The cubic root of 1819536768 is about 1220.8255560760.

The spelling of 1819536768 in words is "one billion, eight hundred nineteen million, five hundred thirty-six thousand, seven hundred sixty-eight".