10016691 has 4 divisors (see below), whose sum is σ = 13355592. Its totient is φ = 6677792.

The previous prime is 10016681. The next prime is 10016693. The reversal of 10016691 is 19661001.

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

It is a cyclic number.

It is not a de Polignac number, because 10016691 - 2⁷ = 10016563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10016693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1669446 + ... + 1669451.

It is an arithmetic number, because the mean of its divisors is an integer number (3338898).

Almost surely, 2^10016691 is an apocalyptic number.

10016691 is a deficient number, since it is larger than the sum of its proper divisors (3338901).

10016691 is an equidigital number, since it uses as much as digits as its factorization.

10016691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338900.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 10016691 is about 3164.9156386861. The cubic root of 10016691 is about 215.5632679405.

Adding to 10016691 its reverse (19661001), we get a palindrome (29677692).

The spelling of 10016691 in words is "ten million, sixteen thousand, six hundred ninety-one".