3936669666396 has 48 divisors (see below), whose sum is σ = 9260284293120. Its totient is φ = 1301554033920.

The previous prime is 3936669666313. The next prime is 3936669666409. The reversal of 3936669666396 is 6936669666393.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5594731 + ... + 6258941.

It is an arithmetic number, because the mean of its divisors is an integer number (192922589440).

Almost surely, 2^{3936669666396} is an apocalyptic number.

It is an amenable number.

3936669666396 is an abundant number, since it is smaller than the sum of its proper divisors (5323614626724).

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

3936669666396 is a wasteful number, since it uses less digits than its factorization.

3936669666396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668234 (or 668232 counting only the distinct ones).

The product of its digits is 5509980288, while the sum is 78.

The spelling of 3936669666396 in words is "three trillion, nine hundred thirty-six billion, six hundred sixty-nine million, six hundred sixty-six thousand, three hundred ninety-six".