2166018429018 has 32 divisors (see below), whose sum is σ = 4350500098560. Its totient is φ = 718935479360.

The previous prime is 2166018429013. The next prime is 2166018429049. The reversal of 2166018429018 is 8109248106612.

It is not an unprimeable number, because it can be changed into a prime (2166018429013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507496 + ... + 2142332.

It is an arithmetic number, because the mean of its divisors is an integer number (135953128080).

Almost surely, 2^{2166018429018} is an apocalyptic number.

2166018429018 is an abundant number, since it is smaller than the sum of its proper divisors (2184481669542).

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

2166018429018 is a wasteful number, since it uses less digits than its factorization.

2166018429018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635782.

The product of its (nonzero) digits is 331776, while the sum is 48.

The spelling of 2166018429018 in words is "two trillion, one hundred sixty-six billion, eighteen million, four hundred twenty-nine thousand, eighteen".