16051943 has 4 divisors (see below), whose sum is σ = 16425288. Its totient is φ = 15678600.

The previous prime is 16051939. The next prime is 16051949. The reversal of 16051943 is 34915061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34915061 = 953 ⋅36637.

It is a cyclic number.

It is not a de Polignac number, because 16051943 - 2² = 16051939 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16051949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186608 + ... + 186693.

It is an arithmetic number, because the mean of its divisors is an integer number (4106322).

Almost surely, 2^16051943 is an apocalyptic number.

16051943 is a deficient number, since it is larger than the sum of its proper divisors (373345).

16051943 is an equidigital number, since it uses as much as digits as its factorization.

16051943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373344.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 16051943 is about 4006.4876138583. The cubic root of 16051943 is about 252.2565990894.

The spelling of 16051943 in words is "sixteen million, fifty-one thousand, nine hundred forty-three".