16540473 has 32 divisors (see below), whose sum is σ = 24883200. Its totient is φ = 9718016.

The previous prime is 16540471. The next prime is 16540481. The reversal of 16540473 is 37404561.

It is not a de Polignac number, because 16540473 - 2¹ = 16540471 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16540473.

It is not an unprimeable number, because it can be changed into a prime (16540471) 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, 69088 + ... + 69326.

It is an arithmetic number, because the mean of its divisors is an integer number (777600).

Almost surely, 2^16540473 is an apocalyptic number.

It is an amenable number.

16540473 is a deficient number, since it is larger than the sum of its proper divisors (8342727).

16540473 is a wasteful number, since it uses less digits than its factorization.

16540473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 16540473 is about 4066.9980329476. The cubic root of 16540473 is about 254.7901541574.

The spelling of 16540473 in words is "sixteen million, five hundred forty thousand, four hundred seventy-three".