16363664 has 10 divisors (see below), whose sum is σ = 31704630. Its totient is φ = 8181824.

The previous prime is 16363651. The next prime is 16363679. The reversal of 16363664 is 46636361.

It can be written as a sum of positive squares in only one way, i.e., 14137600 + 2226064 = 3760^2 + 1492^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 511349 + ... + 511380.

It is an arithmetic number, because the mean of its divisors is an integer number (3170463).

Almost surely, 2^16363664 is an apocalyptic number.

It is an amenable number.

16363664 is a deficient number, since it is larger than the sum of its proper divisors (15340966).

16363664 is a wasteful number, since it uses less digits than its factorization.

16363664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022737 (or 1022731 counting only the distinct ones).

The product of its digits is 46656, while the sum is 35.

The square root of 16363664 is about 4045.2025907240. The cubic root of 16363664 is about 253.8790421658.

The spelling of 16363664 in words is "sixteen million, three hundred sixty-three thousand, six hundred sixty-four".