16401035 has 12 divisors (see below), whose sum is σ = 22894848. Its totient is φ = 11246256.

The previous prime is 16401031. The next prime is 16401041. The reversal of 16401035 is 53010461.

16401035 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16401035 - 2² = 16401031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16400998 and 16401016.

It is not an unprimeable number, because it can be changed into a prime (16401031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33227 + ... + 33716.

It is an arithmetic number, because the mean of its divisors is an integer number (1907904).

Almost surely, 2^16401035 is an apocalyptic number.

16401035 is a deficient number, since it is larger than the sum of its proper divisors (6493813).

16401035 is an equidigital number, since it uses as much as digits as its factorization.

16401035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66962 (or 66955 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 16401035 is about 4049.8191317638. The cubic root of 16401035 is about 254.0721631404.

Adding to 16401035 its reverse (53010461), we get a palindrome (69411496).

The spelling of 16401035 in words is "sixteen million, four hundred one thousand, thirty-five".