3943668671067 has 16 divisors (see below), whose sum is σ = 5300532396032. Its totient is φ = 2607965760960.

The previous prime is 3943668670973. The next prime is 3943668671069. The reversal of 3943668671067 is 7601768663493.

It is not a de Polignac number, because 3943668671067 - 2²³ = 3943660282459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3943668670989 and 3943668671007.

It is not an unprimeable number, because it can be changed into a prime (3943668671069) 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, 1360638 + ... + 3120684.

It is an arithmetic number, because the mean of its divisors is an integer number (331283274752).

Almost surely, 2^{3943668671067} is an apocalyptic number.

3943668671067 is a deficient number, since it is larger than the sum of its proper divisors (1356863724965).

3943668671067 is a wasteful number, since it uses less digits than its factorization.

3943668671067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766058.

The product of its (nonzero) digits is 164602368, while the sum is 66.

The spelling of 3943668671067 in words is "three trillion, nine hundred forty-three billion, six hundred sixty-eight million, six hundred seventy-one thousand, sixty-seven".