16442703 has 8 divisors (see below), whose sum is σ = 24359600. Its totient is φ = 10961784.

The previous prime is 16442693. The next prime is 16442711. The reversal of 16442703 is 30724461.

It is not a de Polignac number, because 16442703 - 2¹² = 16438607 is a prime.

It is a super-3 number, since 3×16442703³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 608989 = 16442703 / (1 + 6 + 4 + 4 + 2 + 7 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16442753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304468 + ... + 304521.

It is an arithmetic number, because the mean of its divisors is an integer number (3044950).

Almost surely, 2^16442703 is an apocalyptic number.

16442703 is a deficient number, since it is larger than the sum of its proper divisors (7916897).

16442703 is an equidigital number, since it uses as much as digits as its factorization.

16442703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608998 (or 608992 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 16442703 is about 4054.9602957366. The cubic root of 16442703 is about 254.2871440064.

The spelling of 16442703 in words is "sixteen million, four hundred forty-two thousand, seven hundred three".