16321712 has 20 divisors (see below), whose sum is σ = 34498536. Its totient is φ = 7418880.

The previous prime is 16321691. The next prime is 16321729. The reversal of 16321712 is 21712361.

It is a super-2 number, since 2×16321712² = 532796565221888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46193 + ... + 46544.

Almost surely, 2^16321712 is an apocalyptic number.

It is an amenable number.

16321712 is an abundant number, since it is smaller than the sum of its proper divisors (18176824).

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

16321712 is a wasteful number, since it uses less digits than its factorization.

16321712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92756 (or 92750 counting only the distinct ones).

The product of its digits is 504, while the sum is 23.

The square root of 16321712 is about 4040.0138613624. The cubic root of 16321712 is about 253.6618974719.

The spelling of 16321712 in words is "sixteen million, three hundred twenty-one thousand, seven hundred twelve".