16152985 has 8 divisors (see below), whose sum is σ = 19525896. Its totient is φ = 12827520.

The previous prime is 16152977. The next prime is 16152989. The reversal of 16152985 is 58925161.

It can be written as a sum of positive squares in 4 ways, for example, as 974169 + 15178816 = 987^2 + 3896^2 .

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

It is not a de Polignac number, because 16152985 - 2³ = 16152977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16152989) 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, 11106 + ... + 12475.

It is an arithmetic number, because the mean of its divisors is an integer number (2440737).

Almost surely, 2^16152985 is an apocalyptic number.

It is an amenable number.

16152985 is a deficient number, since it is larger than the sum of its proper divisors (3372911).

16152985 is a wasteful number, since it uses less digits than its factorization.

16152985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23723.

The product of its digits is 21600, while the sum is 37.

The square root of 16152985 is about 4019.0776305018. The cubic root of 16152985 is about 252.7847847172.

The spelling of 16152985 in words is "sixteen million, one hundred fifty-two thousand, nine hundred eighty-five".