16550256043 has 4 divisors (see below), whose sum is σ = 16554151728. Its totient is φ = 16546360360.

The previous prime is 16550256031. The next prime is 16550256067. The reversal of 16550256043 is 34065205561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34065205561 = 2741 ⋅12428021.

It is a cyclic number.

It is not a de Polignac number, because 16550256043 - 2⁵ = 16550256011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16550255993 and 16550256011.

It is not an unprimeable number, because it can be changed into a prime (16550256083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1941463 + ... + 1949968.

It is an arithmetic number, because the mean of its divisors is an integer number (4138537932).

Almost surely, 2^16550256043 is an apocalyptic number.

16550256043 is a deficient number, since it is larger than the sum of its proper divisors (3895685).

16550256043 is an equidigital number, since it uses as much as digits as its factorization.

16550256043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3895684.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 16550256043 in words is "sixteen billion, five hundred fifty million, two hundred fifty-six thousand, forty-three".