16550536 has 8 divisors (see below), whose sum is σ = 31032270. Its totient is φ = 8275264.

The previous prime is 16550509. The next prime is 16550549. The reversal of 16550536 is 63505561.

It can be written as a sum of positive squares in only one way, i.e., 15920100 + 630436 = 3990^2 + 794^2 .

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 = 16550498 and 16550507.

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, 1034401 + ... + 1034416.

Almost surely, 2^16550536 is an apocalyptic number.

It is an amenable number.

16550536 is a deficient number, since it is larger than the sum of its proper divisors (14481734).

16550536 is a wasteful number, since it uses less digits than its factorization.

16550536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068823 (or 2068819 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 16550536 is about 4068.2349981288. The cubic root of 16550536 is about 254.8418139767.

The spelling of 16550536 in words is "sixteen million, five hundred fifty thousand, five hundred thirty-six".