16309696 has 28 divisors (see below), whose sum is σ = 34855912. Its totient is φ = 7527168.

The previous prime is 16309669. The next prime is 16309697. The reversal of 16309696 is 69690361.

It is a happy number.

It is a super-2 number, since 2×16309696² = 532012367224832, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16309697) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8970 + ... + 10633.

It is an arithmetic number, because the mean of its divisors is an integer number (1244854).

Almost surely, 2^16309696 is an apocalyptic number.

16309696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16309696 is an abundant number, since it is smaller than the sum of its proper divisors (18546216).

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

16309696 is a wasteful number, since it uses less digits than its factorization.

16309696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19628 (or 19618 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 16309696 is about 4038.5264639470. The cubic root of 16309696 is about 253.5996337902.

The spelling of 16309696 in words is "sixteen million, three hundred nine thousand, six hundred ninety-six".