16920536 has 32 divisors (see below), whose sum is σ = 32961600. Its totient is φ = 8136960.

The previous prime is 16920529. The next prime is 16920539. The reversal of 16920536 is 63502961.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16920539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25586 + ... + 26238.

It is an arithmetic number, because the mean of its divisors is an integer number (1030050).

Almost surely, 2^16920536 is an apocalyptic number.

It is an amenable number.

16920536 is a deficient number, since it is larger than the sum of its proper divisors (16041064).

16920536 is a wasteful number, since it uses less digits than its factorization.

16920536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 16920536 is about 4113.4579127542. The cubic root of 16920536 is about 256.7268972796.

The spelling of 16920536 in words is "sixteen million, nine hundred twenty thousand, five hundred thirty-six".