16475506 has 4 divisors (see below), whose sum is σ = 24713262. Its totient is φ = 8237752.

The previous prime is 16475491. The next prime is 16475507. The reversal of 16475506 is 60557461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60557461 = 317 ⋅191033.

It can be written as a sum of positive squares in only one way, i.e., 16475481 + 25 = 4059^2 + 5^2 .

It is not an unprimeable number, because it can be changed into a prime (16475507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4118875 + ... + 4118878.

Almost surely, 2^16475506 is an apocalyptic number.

16475506 is a deficient number, since it is larger than the sum of its proper divisors (8237756).

16475506 is an equidigital number, since it uses as much as digits as its factorization.

16475506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8237755.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 16475506 is about 4059.0030795751. The cubic root of 16475506 is about 254.4561316385.

The spelling of 16475506 in words is "sixteen million, four hundred seventy-five thousand, five hundred six".