16545461 has 4 divisors (see below), whose sum is σ = 16590912. Its totient is φ = 16500012.

The previous prime is 16545443. The next prime is 16545467. The reversal of 16545461 is 16454561.

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 16545461 - 2¹⁸ = 16283317 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 (16545467) 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, 22175 + ... + 22908.

It is an arithmetic number, because the mean of its divisors is an integer number (4147728).

Almost surely, 2^16545461 is an apocalyptic number.

It is an amenable number.

16545461 is a deficient number, since it is larger than the sum of its proper divisors (45451).

16545461 is an equidigital number, since it uses as much as digits as its factorization.

16545461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45450.

The product of its digits is 14400, while the sum is 32.

The square root of 16545461 is about 4067.6112154433. The cubic root of 16545461 is about 254.8157633718.

The spelling of 16545461 in words is "sixteen million, five hundred forty-five thousand, four hundred sixty-one".