16540422 has 32 divisors (see below), whose sum is σ = 36163584. Its totient is φ = 5020800.

The previous prime is 16540417. The next prime is 16540429. The reversal of 16540422 is 22404561.

16540422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 16540392 and 16540401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16540429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 547 + ... + 5777.

It is an arithmetic number, because the mean of its divisors is an integer number (1130112).

Almost surely, 2^16540422 is an apocalyptic number.

16540422 is an abundant number, since it is smaller than the sum of its proper divisors (19623162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16540422 is a wasteful number, since it uses less digits than its factorization.

16540422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5284.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 16540422 is about 4066.9917629619. The cubic root of 16540422 is about 254.7898922884.

Adding to 16540422 its reverse (22404561), we get a palindrome (38944983).

The spelling of 16540422 in words is "sixteen million, five hundred forty thousand, four hundred twenty-two".