1006918497218 has 4 divisors (see below), whose sum is σ = 1510377745830. Its totient is φ = 503459248608.

The previous prime is 1006918497203. The next prime is 1006918497227. The reversal of 1006918497218 is 8127948196001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 920492492929 + 86426004289 = 959423^2 + 293983^2 .

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 as a sum of consecutive naturals, namely, 251729624303 + ... + 251729624306.

Almost surely, 2^{1006918497218} is an apocalyptic number.

1006918497218 is a deficient number, since it is larger than the sum of its proper divisors (503459248612).

1006918497218 is an equidigital number, since it uses as much as digits as its factorization.

1006918497218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503459248611.

The product of its (nonzero) digits is 1741824, while the sum is 56.

The spelling of 1006918497218 in words is "one trillion, six billion, nine hundred eighteen million, four hundred ninety-seven thousand, two hundred eighteen".