666673667337 has 8 divisors (see below), whose sum is σ = 894351587104. Its totient is φ = 441722429568.

The previous prime is 666673667273. The next prime is 666673667351. The reversal of 666673667337 is 733766376666.

666673667337 is digitally balanced in base 2 and base 4, because in such bases 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.

It is not a de Polignac number, because 666673667337 - 2⁶ = 666673667273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (666683667337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681669928 + ... + 681670905.

It is an arithmetic number, because the mean of its divisors is an integer number (111793948388).

Almost surely, 2^666673667337 is an apocalyptic number.

It is an amenable number.

666673667337 is a deficient number, since it is larger than the sum of its proper divisors (227677919767).

666673667337 is a wasteful number, since it uses less digits than its factorization.

666673667337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363340999.

The product of its digits is 432081216, while the sum is 66.

The spelling of 666673667337 in words is "six hundred sixty-six billion, six hundred seventy-three million, six hundred sixty-seven thousand, three hundred thirty-seven".