16506964 has 12 divisors (see below), whose sum is σ = 29502144. Its totient is φ = 8077784.

The previous prime is 16506943. The next prime is 16506967. The reversal of 16506964 is 46960561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16506967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43714 + ... + 44089.

It is an arithmetic number, because the mean of its divisors is an integer number (2458512).

Almost surely, 2^16506964 is an apocalyptic number.

It is an amenable number.

16506964 is a deficient number, since it is larger than the sum of its proper divisors (12995180).

16506964 is a wasteful number, since it uses less digits than its factorization.

16506964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87854 (or 87852 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 16506964 is about 4062.8763210317. The cubic root of 16506964 is about 254.6179798134.

The spelling of 16506964 in words is "sixteen million, five hundred six thousand, nine hundred sixty-four".