1814736768 has 64 divisors (see below), whose sum is σ = 5191208400. Its totient is φ = 558379008.

The previous prime is 1814736767. The next prime is 1814736769. The reversal of 1814736768 is 8676374181.

It is an interprime number because it is at equal distance from previous prime (1814736767) and next prime (1814736769).

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 1814736768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1814736767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176773 + ... + 186756.

Almost surely, 2^1814736768 is an apocalyptic number.

It is an amenable number.

1814736768 is an abundant number, since it is smaller than the sum of its proper divisors (3376471632).

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

1814736768 is a wasteful number, since it uses less digits than its factorization.

1814736768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363559 (or 363547 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 51.

The square root of 1814736768 is about 42599.7273230710. The cubic root of 1814736768 is about 1219.7510842169.

The spelling of 1814736768 in words is "one billion, eight hundred fourteen million, seven hundred thirty-six thousand, seven hundred sixty-eight".