1218966846153 has 16 divisors (see below), whose sum is σ = 1858223256960. Its totient is φ = 696271245696.

The previous prime is 1218966846151. The next prime is 1218966846157. The reversal of 1218966846153 is 3516486698121.

It is not a de Polignac number, because 1218966846153 - 2¹ = 1218966846151 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1218966846151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11664988 + ... + 11769021.

It is an arithmetic number, because the mean of its divisors is an integer number (116138953560).

Almost surely, 2^{1218966846153} is an apocalyptic number.

It is an amenable number.

1218966846153 is a deficient number, since it is larger than the sum of its proper divisors (639256410807).

1218966846153 is a wasteful number, since it uses less digits than its factorization.

1218966846153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23436496.

The product of its digits is 14929920, while the sum is 60.

The spelling of 1218966846153 in words is "one trillion, two hundred eighteen billion, nine hundred sixty-six million, eight hundred forty-six thousand, one hundred fifty-three".