3892551906666 has 8 divisors (see below), whose sum is σ = 7785103813344. Its totient is φ = 1297517302220.

The previous prime is 3892551906629. The next prime is 3892551906671. The reversal of 3892551906666 is 6666091552983.

3892551906666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

3892551906666 is an admirable number.

It is a super-2 number, since 2×3892551906666² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3892551906597 and 3892551906606.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324379325550 + ... + 324379325561.

It is an arithmetic number, because the mean of its divisors is an integer number (973137976668).

Almost surely, 2^{3892551906666} is an apocalyptic number.

3892551906666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3892551906666 is a wasteful number, since it uses less digits than its factorization.

3892551906666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648758651116.

The product of its (nonzero) digits is 125971200, while the sum is 66.

The spelling of 3892551906666 in words is "three trillion, eight hundred ninety-two billion, five hundred fifty-one million, nine hundred six thousand, six hundred sixty-six".