1001863664910 has 48 divisors (see below), whose sum is σ = 2605598966880. Its totient is φ = 267086368320.

The previous prime is 1001863664899. The next prime is 1001863664911. The reversal of 1001863664910 is 194663681001.

1001863664910 is a `hidden beast` number, since 1 + 0 + 0 + 1 + 8 + 636 + 6 + 4 + 9 + 1 + 0 = 666.

1001863664910 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001863664911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1296690 + ... + 1919669.

It is an arithmetic number, because the mean of its divisors is an integer number (54283311810).

Almost surely, 2^{1001863664910} is an apocalyptic number.

1001863664910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001863664910 is an abundant number, since it is smaller than the sum of its proper divisors (1603735301970).

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

1001863664910 is a wasteful number, since it uses less digits than its factorization.

1001863664910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219833 (or 3219830 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 1001863664910 in words is "one trillion, one billion, eight hundred sixty-three million, six hundred sixty-four thousand, nine hundred ten".