16442371 has 8 divisors (see below), whose sum is σ = 17967600. Its totient is φ = 14922240.

The previous prime is 16442359. The next prime is 16442381. The reversal of 16442371 is 17324461.

16442371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16442371 - 2¹⁷ = 16311299 is a prime.

It is a super-3 number, since 3×16442371³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16442311) 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, 9415 + ... + 11023.

It is an arithmetic number, because the mean of its divisors is an integer number (2245950).

Almost surely, 2^16442371 is an apocalyptic number.

16442371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16442371 is a deficient number, since it is larger than the sum of its proper divisors (1525229).

16442371 is a wasteful number, since it uses less digits than its factorization.

16442371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549.

The product of its digits is 4032, while the sum is 28.

The square root of 16442371 is about 4054.9193580144. The cubic root of 16442371 is about 254.2854325299.

The spelling of 16442371 in words is "sixteen million, four hundred forty-two thousand, three hundred seventy-one".