16488461 has 4 divisors (see below), whose sum is σ = 17987424. Its totient is φ = 14989500.

The previous prime is 16488431. The next prime is 16488463.

16488461 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16488461 - 2¹⁴ = 16472077 is a prime.

It is a super-3 number, since 3×16488461³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16488463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749465 + ... + 749486.

It is an arithmetic number, because the mean of its divisors is an integer number (4496856).

Almost surely, 2^16488461 is an apocalyptic number.

16488461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16488461 is a deficient number, since it is larger than the sum of its proper divisors (1498963).

16488461 is a wasteful number, since it uses less digits than its factorization.

16488461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498962.

The product of its digits is 36864, while the sum is 38.

The square root of 16488461 is about 4060.5986011917. The cubic root of 16488461 is about 254.5228087112.

The spelling of 16488461 in words is "sixteen million, four hundred eighty-eight thousand, four hundred sixty-one".