16442461 has 8 divisors (see below), whose sum is σ = 18817344. Its totient is φ = 14074080.

The previous prime is 16442441. The next prime is 16442471. The reversal of 16442461 is 16424461.

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 16442461 - 2¹³ = 16434269 is a prime.

It is a super-3 number, since 3×16442461³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16442441) 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, 6561 + ... + 8713.

It is an arithmetic number, because the mean of its divisors is an integer number (2352168).

Almost surely, 2^16442461 is an apocalyptic number.

It is an amenable number.

16442461 is a deficient number, since it is larger than the sum of its proper divisors (2374883).

16442461 is a wasteful number, since it uses less digits than its factorization.

16442461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251.

The product of its digits is 4608, while the sum is 28.

The square root of 16442461 is about 4054.9304556305. The cubic root of 16442461 is about 254.2858964866.

The spelling of 16442461 in words is "sixteen million, four hundred forty-two thousand, four hundred sixty-one".