666707337 has 12 divisors (see below), whose sum is σ = 967343104. Its totient is φ = 442477080.

The previous prime is 666707333. The next prime is 666707347. The reversal of 666707337 is 733707666.

It is not a de Polignac number, because 666707337 - 2² = 666707333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 666707292 and 666707301.

It is not an unprimeable number, because it can be changed into a prime (666707333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164089 + ... + 168102.

Almost surely, 2^666707337 is an apocalyptic number.

It is an amenable number.

666707337 is a deficient number, since it is larger than the sum of its proper divisors (300635767).

666707337 is a wasteful number, since it uses less digits than its factorization.

666707337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332420 (or 332417 counting only the distinct ones).

The product of its (nonzero) digits is 666792, while the sum is 45.

The square root of 666707337 is about 25820.6765403233. The cubic root of 666707337 is about 873.5982287794.

The spelling of 666707337 in words is "six hundred sixty-six million, seven hundred seven thousand, three hundred thirty-seven".