16664095 has 16 divisors (see below), whose sum is σ = 22998528. Its totient is φ = 11354400.

The previous prime is 16664059. The next prime is 16664107. The reversal of 16664095 is 59046661.

It is not a de Polignac number, because 16664095 - 2⁹ = 16663583 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4420 + ... + 7270.

It is an arithmetic number, because the mean of its divisors is an integer number (1437408).

Almost surely, 2^16664095 is an apocalyptic number.

16664095 is a deficient number, since it is larger than the sum of its proper divisors (6334433).

16664095 is a wasteful number, since it uses less digits than its factorization.

16664095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 16664095 is about 4082.1679289319. The cubic root of 16664095 is about 255.4233388392.

It can be divided in two parts, 166 and 64095, that added together give a triangular number (64261 = T₃₅₈).

The spelling of 16664095 in words is "sixteen million, six hundred sixty-four thousand, ninety-five".