16472146 has 4 divisors (see below), whose sum is σ = 24708222. Its totient is φ = 8236072.

The previous prime is 16472143. The next prime is 16472149. The reversal of 16472146 is 64127461.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (16472143) and next prime (16472149).

It can be written as a sum of positive squares in only one way, i.e., 8970025 + 7502121 = 2995^2 + 2739^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (16472143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4118035 + ... + 4118038.

Almost surely, 2^16472146 is an apocalyptic number.

16472146 is a deficient number, since it is larger than the sum of its proper divisors (8236076).

16472146 is an equidigital number, since it uses as much as digits as its factorization.

16472146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8236075.

The product of its digits is 8064, while the sum is 31.

The square root of 16472146 is about 4058.5891637366. The cubic root of 16472146 is about 254.4388326103.

The spelling of 16472146 in words is "sixteen million, four hundred seventy-two thousand, one hundred forty-six".