893045666 has 8 divisors (see below), whose sum is σ = 1418366700. Its totient is φ = 420256768.

The previous prime is 893045651. The next prime is 893045711. The reversal of 893045666 is 666540398.

It can be written as a sum of positive squares in 2 ways, for example, as 877403641 + 15642025 = 29621^2 + 3955^2 .

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

It is a super-2 number, since 2×893045666² = 1595061123122767112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 893045666.

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, 13132991 + ... + 13133058.

Almost surely, 2^893045666 is an apocalyptic number.

893045666 is a deficient number, since it is larger than the sum of its proper divisors (525321034).

893045666 is a wasteful number, since it uses less digits than its factorization.

893045666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26266068.

The product of its (nonzero) digits is 933120, while the sum is 47.

The square root of 893045666 is about 29883.8696624115. The cubic root of 893045666 is about 962.9961608081.

The spelling of 893045666 in words is "eight hundred ninety-three million, forty-five thousand, six hundred sixty-six".