16650145 has 8 divisors (see below), whose sum is σ = 20047104. Its totient is φ = 13275504.

The previous prime is 16650143. The next prime is 16650167. The reversal of 16650145 is 54105661.

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 16650145 - 2¹ = 16650143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16650143) 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, 3889 + ... + 6958.

It is an arithmetic number, because the mean of its divisors is an integer number (2505888).

Almost surely, 2^16650145 is an apocalyptic number.

It is an amenable number.

16650145 is a deficient number, since it is larger than the sum of its proper divisors (3396959).

16650145 is a wasteful number, since it uses less digits than its factorization.

16650145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11159.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 16650145 is about 4080.4589202687. The cubic root of 16650145 is about 255.3520448323.

The spelling of 16650145 in words is "sixteen million, six hundred fifty thousand, one hundred forty-five".