2166072255741 has 8 divisors (see below), whose sum is σ = 2889555720480. Its totient is φ = 1443318480752.

The previous prime is 2166072255709. The next prime is 2166072255749. The reversal of 2166072255741 is 1475522706612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2166072255741 - 2⁵ = 2166072255709 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166072255749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182415510 + ... + 182427383.

It is an arithmetic number, because the mean of its divisors is an integer number (361194465060).

Almost surely, 2^{2166072255741} is an apocalyptic number.

It is an amenable number.

2166072255741 is a deficient number, since it is larger than the sum of its proper divisors (723483464739).

2166072255741 is a wasteful number, since it uses less digits than its factorization.

2166072255741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364844875.

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 2166072255741 in words is "two trillion, one hundred sixty-six billion, seventy-two million, two hundred fifty-five thousand, seven hundred forty-one".