1866960404312 has 16 divisors (see below), whose sum is σ = 3501774342000. Its totient is φ = 933153913120.

The previous prime is 1866960404279. The next prime is 1866960404317. The reversal of 1866960404312 is 2134040696681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1866960404317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40761812 + ... + 40807587.

It is an arithmetic number, because the mean of its divisors is an integer number (218860896375).

Almost surely, 2^{1866960404312} is an apocalyptic number.

It is an amenable number.

1866960404312 is a deficient number, since it is larger than the sum of its proper divisors (1634813937688).

1866960404312 is a wasteful number, since it uses less digits than its factorization.

1866960404312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81572266 (or 81572262 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 50.

The spelling of 1866960404312 in words is "one trillion, eight hundred sixty-six billion, nine hundred sixty million, four hundred four thousand, three hundred twelve".