16906087 has 8 divisors (see below), whose sum is σ = 18626832. Its totient is φ = 15216000.

The previous prime is 16906073. The next prime is 16906093. The reversal of 16906087 is 78060961.

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 16906087 - 2¹¹ = 16904039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16906027) 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, 6498 + ... + 8719.

It is an arithmetic number, because the mean of its divisors is an integer number (2328354).

Almost surely, 2^16906087 is an apocalyptic number.

16906087 is a deficient number, since it is larger than the sum of its proper divisors (1720745).

16906087 is a wasteful number, since it uses less digits than its factorization.

16906087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15329.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 16906087 is about 4111.7012294183. The cubic root of 16906087 is about 256.6538006332.

It can be divided in two parts, 1690 and 6087, that added together give a palindrome (7777).

The spelling of 16906087 in words is "sixteen million, nine hundred six thousand, eighty-seven".