3966905744622 has 16 divisors (see below), whose sum is σ = 8815346099280. Its totient is φ = 1322301914856.

The previous prime is 3966905744603. The next prime is 3966905744623. The reversal of 3966905744622 is 2264475096693.

3966905744622 is a `hidden beast` number, since 39 + 6 + 6 + 9 + 0 + 574 + 4 + 6 + 22 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 3966905744622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3966905744623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36730608693 + ... + 36730608800.

It is an arithmetic number, because the mean of its divisors is an integer number (550959131205).

Almost surely, 2^{3966905744622} is an apocalyptic number.

3966905744622 is an abundant number, since it is smaller than the sum of its proper divisors (4848440354658).

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

3966905744622 is a wasteful number, since it uses less digits than its factorization.

3966905744622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73461217504 (or 73461217498 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 63.

The spelling of 3966905744622 in words is "three trillion, nine hundred sixty-six billion, nine hundred five million, seven hundred forty-four thousand, six hundred twenty-two".