10006691 has 8 divisors (see below), whose sum is σ = 10152000. Its totient is φ = 9862720.

The previous prime is 10006663. The next prime is 10006699. The reversal of 10006691 is 19660001.

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

It is a cyclic number.

It is not a de Polignac number, because 10006691 - 2⁶ = 10006627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10006699) 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, 35471 + ... + 35751.

It is an arithmetic number, because the mean of its divisors is an integer number (1269000).

Almost surely, 2^10006691 is an apocalyptic number.

10006691 is a deficient number, since it is larger than the sum of its proper divisors (145309).

10006691 is a wasteful number, since it uses less digits than its factorization.

10006691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 10006691 is about 3163.3354232519. The cubic root of 10006691 is about 215.4915093652.

Adding to 10006691 its reverse (19660001), we get a palindrome (29666692).

The spelling of 10006691 in words is "ten million, six thousand, six hundred ninety-one".