16540545 has 32 divisors (see below), whose sum is σ = 31841280. Its totient is φ = 7162560.

The previous prime is 16540543. The next prime is 16540547. The reversal of 16540545 is 54504561.

16540545 = T₁₃₁₀ + T₁₃₁₁ + ... + T₁₃₂₈.

16540545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16540543) and next prime (16540547).

It is not a de Polignac number, because 16540545 - 2¹ = 16540543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16540543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2151 + ... + 6140.

It is an arithmetic number, because the mean of its divisors is an integer number (995040).

Almost surely, 2^16540545 is an apocalyptic number.

16540545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16540545 is a deficient number, since it is larger than the sum of its proper divisors (15300735).

16540545 is a wasteful number, since it uses less digits than its factorization.

16540545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8325.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 16540545 is about 4067.0068846758. The cubic root of 16540545 is about 254.7905238539.

The spelling of 16540545 in words is "sixteen million, five hundred forty thousand, five hundred forty-five".