16442797 has 16 divisors (see below), whose sum is σ = 19647360. Its totient is φ = 13462848.

The previous prime is 16442779. The next prime is 16442801. The reversal of 16442797 is 79724461.

It is not a de Polignac number, because 16442797 - 2¹⁵ = 16410029 is a prime.

It is a super-3 number, since 3×16442797³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16442737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21343 + ... + 22099.

It is an arithmetic number, because the mean of its divisors is an integer number (1227960).

Almost surely, 2^16442797 is an apocalyptic number.

It is an amenable number.

16442797 is a deficient number, since it is larger than the sum of its proper divisors (3204563).

16442797 is a wasteful number, since it uses less digits than its factorization.

16442797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900.

The product of its digits is 84672, while the sum is 40.

The square root of 16442797 is about 4054.9718864623. The cubic root of 16442797 is about 254.2876285769.

The spelling of 16442797 in words is "sixteen million, four hundred forty-two thousand, seven hundred ninety-seven".