1866298118312 has 32 divisors (see below), whose sum is σ = 3622211460000. Its totient is φ = 900414825408.

The previous prime is 1866298118299. The next prime is 1866298118351. The reversal of 1866298118312 is 2138118926681.

It is a super-3 number, since 3×1866298118312³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2108762 + ... + 2859977.

It is an arithmetic number, because the mean of its divisors is an integer number (113194108125).

Almost surely, 2^{1866298118312} is an apocalyptic number.

It is an amenable number.

1866298118312 is a deficient number, since it is larger than the sum of its proper divisors (1755913341688).

1866298118312 is a wasteful number, since it uses less digits than its factorization.

1866298118312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4970393 (or 4970389 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 56.

The spelling of 1866298118312 in words is "one trillion, eight hundred sixty-six billion, two hundred ninety-eight million, one hundred eighteen thousand, three hundred twelve".