16864607 has 2 divisors, whose sum is σ = 16864608. Its totient is φ = 16864606.

The previous prime is 16864577. The next prime is 16864613. The reversal of 16864607 is 70646861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16864607 - 2¹² = 16860511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16864667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8432303 + 8432304.

It is an arithmetic number, because the mean of its divisors is an integer number (8432304).

Almost surely, 2^16864607 is an apocalyptic number.

16864607 is a deficient number, since it is larger than the sum of its proper divisors (1).

16864607 is an equidigital number, since it uses as much as digits as its factorization.

16864607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 16864607 is about 4106.6539907813. The cubic root of 16864607 is about 256.4437240617.

It can be divided in two parts, 16864 and 607, that added together give a palindrome (17471).

The spelling of 16864607 in words is "sixteen million, eight hundred sixty-four thousand, six hundred seven".