16996473 has 20 divisors (see below), whose sum is σ = 27344548. Its totient is φ = 10458720.

The previous prime is 16996459. The next prime is 16996487. The reversal of 16996473 is 37469961.

It is an interprime number because it is at equal distance from previous prime (16996459) and next prime (16996487).

It can be written as a sum of positive squares in 2 ways, for example, as 4549689 + 12446784 = 2133^2 + 3528^2 .

It is not a de Polignac number, because 16996473 - 2⁴ = 16996457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16996403) by changing a digit.

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 in 19 ways as a sum of consecutive naturals, for example, 7018 + ... + 9123.

Almost surely, 2^16996473 is an apocalyptic number.

16996473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16996473 is a deficient number, since it is larger than the sum of its proper divisors (10348075).

16996473 is a wasteful number, since it uses less digits than its factorization.

16996473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16166 (or 16157 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 16996473 is about 4122.6778918562. The cubic root of 16996473 is about 257.1103756591.

The spelling of 16996473 in words is "sixteen million, nine hundred ninety-six thousand, four hundred seventy-three".