3472808871666 has 8 divisors (see below), whose sum is σ = 6945617743344. Its totient is φ = 1157602957220.

The previous prime is 3472808871589. The next prime is 3472808871671. The reversal of 3472808871666 is 6661788082743.

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

3472808871666 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 3472808871597 and 3472808871606.

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, 289400739300 + ... + 289400739311.

It is an arithmetic number, because the mean of its divisors is an integer number (868202217918).

Almost surely, 2^{3472808871666} is an apocalyptic number.

3472808871666 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.

3472808871666 is a wasteful number, since it uses less digits than its factorization.

3472808871666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578801478616.

The product of its (nonzero) digits is 130056192, while the sum is 66.

The spelling of 3472808871666 in words is "three trillion, four hundred seventy-two billion, eight hundred eight million, eight hundred seventy-one thousand, six hundred sixty-six".