206151117006057 has 8 divisors (see below), whose sum is σ = 276307256302080. Its totient is φ = 136714527857040.

The previous prime is 206151117006049. The next prime is 206151117006059. The reversal of 206151117006057 is 750600711151602.

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

It is not a de Polignac number, because 206151117006057 - 2³ = 206151117006049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206151117006059) 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, 179887536082 + ... + 179887537227.

It is an arithmetic number, because the mean of its divisors is an integer number (34538407037760).

Almost surely, 2^{206151117006057} is an apocalyptic number.

It is an amenable number.

206151117006057 is a deficient number, since it is larger than the sum of its proper divisors (70156139296023).

206151117006057 is a wasteful number, since it uses less digits than its factorization.

206151117006057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359775073503.

The product of its (nonzero) digits is 88200, while the sum is 42.

Adding to 206151117006057 its reverse (750600711151602), we get a palindrome (956751828157659).

The spelling of 206151117006057 in words is "two hundred six trillion, one hundred fifty-one billion, one hundred seventeen million, six thousand, fifty-seven".