16165155 has 8 divisors (see below), whose sum is σ = 25864272. Its totient is φ = 8621408.

The previous prime is 16165139. The next prime is 16165169. The reversal of 16165155 is 55156161.

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 16165155 - 2⁴ = 16165139 is a prime.

It is a super-2 number, since 2×16165155² = 522624472348050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538824 + ... + 538853.

It is an arithmetic number, because the mean of its divisors is an integer number (3233034).

Almost surely, 2^16165155 is an apocalyptic number.

16165155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16165155 is a deficient number, since it is larger than the sum of its proper divisors (9699117).

16165155 is a wasteful number, since it uses less digits than its factorization.

16165155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077685.

The product of its digits is 4500, while the sum is 30.

The square root of 16165155 is about 4020.5913744125. The cubic root of 16165155 is about 252.8482532453.

The spelling of 16165155 in words is "sixteen million, one hundred sixty-five thousand, one hundred fifty-five".