4166651778055 has 16 divisors (see below), whose sum is σ = 5701337095104. Its totient is φ = 2895917253120.

The previous prime is 4166651777971. The next prime is 4166651778067. The reversal of 4166651778055 is 5508771566614.

4166651778055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4166651778055 - 2⁹ = 4166651777543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4166651777984 and 4166651778002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1885361691 + ... + 1885363900.

It is an arithmetic number, because the mean of its divisors is an integer number (356333568444).

Almost surely, 2^{4166651778055} is an apocalyptic number.

4166651778055 is a deficient number, since it is larger than the sum of its proper divisors (1534685317049).

4166651778055 is a wasteful number, since it uses less digits than its factorization.

4166651778055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770725626.

The product of its (nonzero) digits is 42336000, while the sum is 61.

The spelling of 4166651778055 in words is "four trillion, one hundred sixty-six billion, six hundred fifty-one million, seven hundred seventy-eight thousand, fifty-five".