1868982466 has 8 divisors (see below), whose sum is σ = 3019125564. Its totient is φ = 862607280.

The previous prime is 1868982457. The next prime is 1868982503. The reversal of 1868982466 is 6642898681.

It can be written as a sum of positive squares in 2 ways, for example, as 1367446441 + 501536025 = 36979^2 + 22395^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1868982466.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35941945 + ... + 35941996.

Almost surely, 2^1868982466 is an apocalyptic number.

1868982466 is a deficient number, since it is larger than the sum of its proper divisors (1150143098).

1868982466 is a wasteful number, since it uses less digits than its factorization.

1868982466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71883956.

The product of its digits is 7962624, while the sum is 58.

The square root of 1868982466 is about 43231.7298520427. The cubic root of 1868982466 is about 1231.7854665413.

The spelling of 1868982466 in words is "one billion, eight hundred sixty-eight million, nine hundred eighty-two thousand, four hundred sixty-six".