1816679448986 has 8 divisors (see below), whose sum is σ = 2735380463904. Its totient is φ = 904885961020.

The previous prime is 1816679448953. The next prime is 1816679449007. The reversal of 1816679448986 is 6898449766181.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1726881080 + ... + 1726882131.

It is an arithmetic number, because the mean of its divisors is an integer number (341922557988).

Almost surely, 2^{1816679448986} is an apocalyptic number.

1816679448986 is a deficient number, since it is larger than the sum of its proper divisors (918701014918).

1816679448986 is a wasteful number, since it uses less digits than its factorization.

1816679448986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453763476.

The product of its digits is 1003290624, while the sum is 77.

The spelling of 1816679448986 in words is "one trillion, eight hundred sixteen billion, six hundred seventy-nine million, four hundred forty-eight thousand, nine hundred eighty-six".