16665134 has 8 divisors (see below), whose sum is σ = 26468208. Its totient is φ = 7842400.

The previous prime is 16665043. The next prime is 16665137. The reversal of 16665134 is 43156661.

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

It is a self number, because there is not a number n which added to its sum of digits gives 16665134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16665137) 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, 245042 + ... + 245109.

It is an arithmetic number, because the mean of its divisors is an integer number (3308526).

Almost surely, 2^16665134 is an apocalyptic number.

16665134 is a deficient number, since it is larger than the sum of its proper divisors (9803074).

16665134 is a wasteful number, since it uses less digits than its factorization.

16665134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490170.

The product of its digits is 12960, while the sum is 32.

The square root of 16665134 is about 4082.2951877590. The cubic root of 16665134 is about 255.4286472450.

The spelling of 16665134 in words is "sixteen million, six hundred sixty-five thousand, one hundred thirty-four".