1867081968 has 80 divisors (see below), whose sum is σ = 5641305600. Its totient is φ = 589602240.

The previous prime is 1867081939. The next prime is 1867082011. The reversal of 1867081968 is 8691807681.

1867081968 is digitally balanced in base 4, 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 (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105528 + ... + 121943.

It is an arithmetic number, because the mean of its divisors is an integer number (70516320).

Almost surely, 2^1867081968 is an apocalyptic number.

1867081968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1867081968 is an abundant number, since it is smaller than the sum of its proper divisors (3774223632).

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

1867081968 is a wasteful number, since it uses less digits than its factorization.

1867081968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227507 (or 227495 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The square root of 1867081968 is about 43209.7439011156. The cubic root of 1867081968 is about 1231.3678061655.

The spelling of 1867081968 in words is "one billion, eight hundred sixty-seven million, eighty-one thousand, nine hundred sixty-eight".