16420113 has 36 divisors (see below), whose sum is σ = 25861680. Its totient is φ = 10033536.

The previous prime is 16420093. The next prime is 16420121. The reversal of 16420113 is 31102461.

It is a happy number.

16420113 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16420113 - 2⁵ = 16420081 is a prime.

It is a super-2 number, since 2×16420113² = 539240221865538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16420133) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 153406 + ... + 153512.

It is an arithmetic number, because the mean of its divisors is an integer number (718380).

Almost surely, 2^16420113 is an apocalyptic number.

It is an amenable number.

16420113 is a deficient number, since it is larger than the sum of its proper divisors (9441567).

16420113 is a wasteful number, since it uses less digits than its factorization.

16420113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 16420113 is about 4052.1738610282. The cubic root of 16420113 is about 254.1706388462.

Adding to 16420113 its reverse (31102461), we get a palindrome (47522574).

The spelling of 16420113 in words is "sixteen million, four hundred twenty thousand, one hundred thirteen".