6665893046 has 4 divisors (see below), whose sum is σ = 9998839572. Its totient is φ = 3332946522.

The previous prime is 6665893033. The next prime is 6665893061. The reversal of 6665893046 is 6403985666.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×6665893046² = 88868260201422316232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1666473260 + ... + 1666473263.

It is an arithmetic number, because the mean of its divisors is an integer number (2499709893).

Almost surely, 2^6665893046 is an apocalyptic number.

6665893046 is a deficient number, since it is larger than the sum of its proper divisors (3332946526).

6665893046 is a wasteful number, since it uses less digits than its factorization.

6665893046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3332946525.

The product of its (nonzero) digits is 5598720, while the sum is 53.

The square root of 6665893046 is about 81644.9205156083. The cubic root of 6665893046 is about 1881.9992544539. Note that the first 3 decimals are identical.

The spelling of 6665893046 in words is "six billion, six hundred sixty-five million, eight hundred ninety-three thousand, forty-six".