16540426 has 16 divisors (see below), whose sum is σ = 28452096. Its totient is φ = 7064496.

The previous prime is 16540417. The next prime is 16540429. The reversal of 16540426 is 62404561.

16540426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16540426² = 547171384522952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16540394 and 16540403.

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 7 ways as a sum of consecutive naturals, for example, 2575 + ... + 6301.

It is an arithmetic number, because the mean of its divisors is an integer number (1778256).

Almost surely, 2^16540426 is an apocalyptic number.

16540426 is a deficient number, since it is larger than the sum of its proper divisors (11911670).

16540426 is a wasteful number, since it uses less digits than its factorization.

16540426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4053.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 16540426 is about 4066.9922547258. The cubic root of 16540426 is about 254.7899128272.

Adding to 16540426 its reverse (62404561), we get a palindrome (78944987).

The spelling of 16540426 in words is "sixteen million, five hundred forty thousand, four hundred twenty-six".