16380536 has 8 divisors (see below), whose sum is σ = 30713520. Its totient is φ = 8190264.

The previous prime is 16380521. The next prime is 16380541. The reversal of 16380536 is 63508361.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1023776 + ... + 1023791.

It is an arithmetic number, because the mean of its divisors is an integer number (3839190).

Almost surely, 2^16380536 is an apocalyptic number.

It is an amenable number.

16380536 is a deficient number, since it is larger than the sum of its proper divisors (14332984).

16380536 is a wasteful number, since it uses less digits than its factorization.

16380536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047573 (or 2047569 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 16380536 is about 4047.2874867002. The cubic root of 16380536 is about 253.9662674529.

Adding to 16380536 its reverse (63508361), we get a palindrome (79888897).

The spelling of 16380536 in words is "sixteen million, three hundred eighty thousand, five hundred thirty-six".