16357943 has 16 divisors (see below), whose sum is σ = 19671360. Its totient is φ = 13305600.

The previous prime is 16357919. The next prime is 16357949. The reversal of 16357943 is 34975361.

It is a happy number.

It is not a de Polignac number, because 16357943 - 2⁸ = 16357687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16357897 and 16357906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16357949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11723 + ... + 13043.

It is an arithmetic number, because the mean of its divisors is an integer number (1229460).

Almost surely, 2^16357943 is an apocalyptic number.

16357943 is a deficient number, since it is larger than the sum of its proper divisors (3313417).

16357943 is a wasteful number, since it uses less digits than its factorization.

16357943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418.

The product of its digits is 68040, while the sum is 38.

The square root of 16357943 is about 4044.4953949782. The cubic root of 16357943 is about 253.8494519856.

The spelling of 16357943 in words is "sixteen million, three hundred fifty-seven thousand, nine hundred forty-three".