16401896 has 32 divisors (see below), whose sum is σ = 35328000. Its totient is φ = 6993216.

The previous prime is 16401887. The next prime is 16401911. The reversal of 16401896 is 69810461.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12185 + ... + 13463.

It is an arithmetic number, because the mean of its divisors is an integer number (1104000).

Almost surely, 2^16401896 is an apocalyptic number.

It is an amenable number.

16401896 is an abundant number, since it is smaller than the sum of its proper divisors (18926104).

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

16401896 is a wasteful number, since it uses less digits than its factorization.

16401896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521 (or 1517 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 16401896 is about 4049.9254314123. The cubic root of 16401896 is about 254.0766090449.

The spelling of 16401896 in words is "sixteen million, four hundred one thousand, eight hundred ninety-six".