206101260351 has 16 divisors (see below), whose sum is σ = 348954515200. Its totient is φ = 117772148664.

The previous prime is 206101260347. The next prime is 206101260361. The reversal of 206101260351 is 153062101602.

206101260351 is a `hidden beast` number, since 2 + 0 + 6 + 1 + 0 + 1 + 2 + 603 + 51 = 666.

It is not a de Polignac number, because 206101260351 - 2² = 206101260347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206101260301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545241241 + ... + 545241618.

It is an arithmetic number, because the mean of its divisors is an integer number (21809657200).

Almost surely, 2^206101260351 is an apocalyptic number.

206101260351 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

206101260351 is a deficient number, since it is larger than the sum of its proper divisors (142853254849).

206101260351 is a wasteful number, since it uses less digits than its factorization.

206101260351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090482875 (or 1090482869 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 206101260351 its reverse (153062101602), we get a palindrome (359163361953).

The spelling of 206101260351 in words is "two hundred six billion, one hundred one million, two hundred sixty thousand, three hundred fifty-one".