16625133 has 72 divisors (see below), whose sum is σ = 31382208. Its totient is φ = 8273664.

The previous prime is 16625071. The next prime is 16625143. The reversal of 16625133 is 33152661.

16625133 is a `hidden beast` number, since 1 + 6 + 625 + 1 + 33 = 666.

It is not a de Polignac number, because 16625133 - 2⁶ = 16625069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16625097 and 16625106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16625143) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 386610 + ... + 386652.

It is an arithmetic number, because the mean of its divisors is an integer number (435864).

Almost surely, 2^16625133 is an apocalyptic number.

It is an amenable number.

16625133 is a deficient number, since it is larger than the sum of its proper divisors (14757075).

16625133 is a wasteful number, since it uses less digits than its factorization.

16625133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 89 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 16625133 is about 4077.3929170488. The cubic root of 16625133 is about 255.2241166941.

Adding to 16625133 its reverse (33152661), we get a palindrome (49777794).

The spelling of 16625133 in words is "sixteen million, six hundred twenty-five thousand, one hundred thirty-three".