16391352 has 32 divisors (see below), whose sum is σ = 41258880. Its totient is φ = 5426400.

The previous prime is 16391339. The next prime is 16391359. The reversal of 16391352 is 25319361.

It is a super-3 number, since 3×16391352³ (a number of 23 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16391359) 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 7 ways as a sum of consecutive naturals, for example, 1363 + ... + 5885.

It is an arithmetic number, because the mean of its divisors is an integer number (1289340).

Almost surely, 2^16391352 is an apocalyptic number.

16391352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16391352 is an abundant number, since it is smaller than the sum of its proper divisors (24867528).

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

16391352 is a wasteful number, since it uses less digits than its factorization.

16391352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4683 (or 4679 counting only the distinct ones).

The product of its digits is 4860, while the sum is 30.

The square root of 16391352 is about 4048.6234697734. The cubic root of 16391352 is about 254.0221527789.

The spelling of 16391352 in words is "sixteen million, three hundred ninety-one thousand, three hundred fifty-two".