3666667407 has 8 divisors (see below), whose sum is σ = 5264958384. Its totient is φ = 2256410688.

The previous prime is 3666667397. The next prime is 3666667441. The reversal of 3666667407 is 7047666663.

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

It is not a de Polignac number, because 3666667407 - 2⁴ = 3666667391 is a prime.

It is a super-2 number, since 2×3666667407² = 26888899747112207298, 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 3666667407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666667007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47008518 + ... + 47008595.

It is an arithmetic number, because the mean of its divisors is an integer number (658119798).

Almost surely, 2^3666667407 is an apocalyptic number.

3666667407 is a deficient number, since it is larger than the sum of its proper divisors (1598290977).

3666667407 is a wasteful number, since it uses less digits than its factorization.

3666667407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94017129.

The product of its (nonzero) digits is 4572288, while the sum is 51.

The square root of 3666667407 is about 60553.0131950508. The cubic root of 3666667407 is about 1542.0217735103.

The spelling of 3666667407 in words is "three billion, six hundred sixty-six million, six hundred sixty-seven thousand, four hundred seven".