1918150214994 has 48 divisors (see below), whose sum is σ = 4570911176832. Its totient is φ = 577642614624.

The previous prime is 1918150214989. The next prime is 1918150215019. The reversal of 1918150214994 is 4994120518191.

1918150214994 is a `hidden beast` number, since 1 + 9 + 1 + 8 + 1 + 502 + 1 + 49 + 94 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1918150214994.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87193504 + ... + 87215499.

It is an arithmetic number, because the mean of its divisors is an integer number (95227316184).

Almost surely, 2^{1918150214994} is an apocalyptic number.

1918150214994 is an abundant number, since it is smaller than the sum of its proper divisors (2652760961838).

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

1918150214994 is a wasteful number, since it uses less digits than its factorization.

1918150214994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174409071 (or 174409068 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 54.

The spelling of 1918150214994 in words is "one trillion, nine hundred eighteen billion, one hundred fifty million, two hundred fourteen thousand, nine hundred ninety-four".