66050355043 has 4 divisors (see below), whose sum is σ = 66104012128. Its totient is φ = 65996697960.

The previous prime is 66050355023. The next prime is 66050355083. The reversal of 66050355043 is 34055305066.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66050355043 - 2¹⁷ = 66050223971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66050354993 and 66050355011.

It is not an unprimeable number, because it can be changed into a prime (66050355013) 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, 26826696 + ... + 26829157.

It is an arithmetic number, because the mean of its divisors is an integer number (16526003032).

Almost surely, 2^66050355043 is an apocalyptic number.

66050355043 is a deficient number, since it is larger than the sum of its proper divisors (53657085).

66050355043 is a wasteful number, since it uses less digits than its factorization.

66050355043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53657084.

The product of its (nonzero) digits is 162000, while the sum is 37.

The spelling of 66050355043 in words is "sixty-six billion, fifty million, three hundred fifty-five thousand, forty-three".