16002155 has 8 divisors (see below), whose sum is σ = 20679792. Its totient is φ = 11816928.

The previous prime is 16002109. The next prime is 16002163. The reversal of 16002155 is 55120061.

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 16002155 - 2⁸ = 16001899 is a prime.

It is a Duffinian number.

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, 123029 + ... + 123158.

It is an arithmetic number, because the mean of its divisors is an integer number (2584974).

Almost surely, 2^16002155 is an apocalyptic number.

16002155 is a deficient number, since it is larger than the sum of its proper divisors (4677637).

16002155 is a wasteful number, since it uses less digits than its factorization.

16002155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246205.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 16002155 is about 4000.2693659302. The cubic root of 16002155 is about 251.9955225122.

The spelling of 16002155 in words is "sixteen million, two thousand, one hundred fifty-five".