16386632 has 8 divisors (see below), whose sum is σ = 30724950. Its totient is φ = 8193312.

The previous prime is 16386619. The next prime is 16386637. The reversal of 16386632 is 23668361.

It can be written as a sum of positive squares in only one way, i.e., 15888196 + 498436 = 3986^2 + 706^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 16386592 and 16386601.

It is not an unprimeable number, because it can be changed into a prime (16386637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024157 + ... + 1024172.

Almost surely, 2^16386632 is an apocalyptic number.

It is an amenable number.

16386632 is a deficient number, since it is larger than the sum of its proper divisors (14338318).

16386632 is a wasteful number, since it uses less digits than its factorization.

16386632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048335 (or 2048331 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 16386632 is about 4048.0405136313. The cubic root of 16386632 is about 253.9977679759.

The spelling of 16386632 in words is "sixteen million, three hundred eighty-six thousand, six hundred thirty-two".