1218466194410 has 16 divisors (see below), whose sum is σ = 2263988800512. Its totient is φ = 471664333200.

The previous prime is 1218466194397. The next prime is 1218466194431. The reversal of 1218466194410 is 144916648121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1965267746 + ... + 1965268365.

It is an arithmetic number, because the mean of its divisors is an integer number (141499300032).

Almost surely, 2^{1218466194410} is an apocalyptic number.

1218466194410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1218466194410 is a deficient number, since it is larger than the sum of its proper divisors (1045522606102).

1218466194410 is a wasteful number, since it uses less digits than its factorization.

1218466194410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3930536149.

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 1218466194410 in words is "one trillion, two hundred eighteen billion, four hundred sixty-six million, one hundred ninety-four thousand, four hundred ten".