16002461 has 4 divisors (see below), whose sum is σ = 16554300. Its totient is φ = 15450624.

The previous prime is 16002443. The next prime is 16002473. The reversal of 16002461 is 16420061.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9211225 + 6791236 = 3035^2 + 2606^2 .

It is a cyclic number.

It is not a de Polignac number, because 16002461 - 2⁶ = 16002397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16002401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275876 + ... + 275933.

It is an arithmetic number, because the mean of its divisors is an integer number (4138575).

Almost surely, 2^16002461 is an apocalyptic number.

It is an amenable number.

16002461 is a deficient number, since it is larger than the sum of its proper divisors (551839).

16002461 is an equidigital number, since it uses as much as digits as its factorization.

16002461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551838.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 16002461 is about 4000.3076131718. The cubic root of 16002461 is about 251.9971287571.

The spelling of 16002461 in words is "sixteen million, two thousand, four hundred sixty-one".