16380033 has 32 divisors (see below), whose sum is σ = 24245760. Its totient is φ = 9797760.

The previous prime is 16380031. The next prime is 16380043. The reversal of 16380033 is 33008361.

16380033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16380033 - 2¹ = 16380031 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16379985 and 16380012.

It is not an unprimeable number, because it can be changed into a prime (16380031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100410 + ... + 100572.

It is an arithmetic number, because the mean of its divisors is an integer number (757680).

Almost surely, 2^16380033 is an apocalyptic number.

16380033 is the 2337-th octagonal number.

It is an amenable number.

16380033 is a deficient number, since it is larger than the sum of its proper divisors (7865727).

16380033 is a wasteful number, since it uses less digits than its factorization.

16380033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 16380033 is about 4047.2253458388. The cubic root of 16380033 is about 253.9636678973.

Adding to 16380033 its reverse (33008361), we get a palindrome (49388394).

The spelling of 16380033 in words is "sixteen million, three hundred eighty thousand, thirty-three".