2118144302946 has 240 divisors, whose sum is σ = 5596280761344. Its totient is φ = 600376849632.

The previous prime is 2118144302899. The next prime is 2118144303007. The reversal of 2118144302946 is 6492034418112.

2118144302946 is a `hidden beast` number, since 2 + 1 + 181 + 443 + 0 + 29 + 4 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 148187376 + ... + 148201668.

Almost surely, 2^{2118144302946} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2118144302946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2798140380672).

2118144302946 is an abundant number, since it is smaller than the sum of its proper divisors (3478136458398).

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

2118144302946 is an equidigital number, since it uses as much as digits as its factorization.

2118144302946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14465 (or 14432 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 2118144302946 in words is "two trillion, one hundred eighteen billion, one hundred forty-four million, three hundred two thousand, nine hundred forty-six".