1366850891996 has 24 divisors (see below), whose sum is σ = 2496245416224. Its totient is φ = 653644031040.

The previous prime is 1366850891993. The next prime is 1366850892013. The reversal of 1366850891996 is 6991980586631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366850891993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140366 + ... + 1659338.

It is an arithmetic number, because the mean of its divisors is an integer number (104010225676).

Almost surely, 2^{1366850891996} is an apocalyptic number.

It is an amenable number.

1366850891996 is a deficient number, since it is larger than the sum of its proper divisors (1129394524228).

1366850891996 is a wasteful number, since it uses less digits than its factorization.

1366850891996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528781 (or 1528779 counting only the distinct ones).

The product of its (nonzero) digits is 151165440, while the sum is 71.

The spelling of 1366850891996 in words is "one trillion, three hundred sixty-six billion, eight hundred fifty million, eight hundred ninety-one thousand, nine hundred ninety-six".