206165992143 has 8 divisors (see below), whose sum is σ = 279394350256. Its totient is φ = 135190814400.

The previous prime is 206165992121. The next prime is 206165992157. The reversal of 206165992143 is 341299561602.

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

It is not a de Polignac number, because 206165992143 - 2⁶ = 206165992079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206165992092 and 206165992101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206165996143) 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, 563294878 + ... + 563295243.

It is an arithmetic number, because the mean of its divisors is an integer number (34924293782).

Almost surely, 2^206165992143 is an apocalyptic number.

206165992143 is a deficient number, since it is larger than the sum of its proper divisors (73228358113).

206165992143 is a wasteful number, since it uses less digits than its factorization.

206165992143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126590185.

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 206165992143 in words is "two hundred six billion, one hundred sixty-five million, nine hundred ninety-two thousand, one hundred forty-three".