3145406666 has 8 divisors (see below), whose sum is σ = 4723431840. Its totient is φ = 1570929388.

The previous prime is 3145406639. The next prime is 3145406683. The reversal of 3145406666 is 6666045413.

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

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, 884756 + ... + 888303.

It is an arithmetic number, because the mean of its divisors is an integer number (590428980).

Almost surely, 2^3145406666 is an apocalyptic number.

3145406666 is a deficient number, since it is larger than the sum of its proper divisors (1578025174).

3145406666 is a wasteful number, since it uses less digits than its factorization.

3145406666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773948.

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 3145406666 is about 56083.9252014336. The cubic root of 3145406666 is about 1465.1843378723.

The spelling of 3145406666 in words is "three billion, one hundred forty-five million, four hundred six thousand, six hundred sixty-six".