206142653146 has 32 divisors (see below), whose sum is σ = 321987714048. Its totient is φ = 98899004160.

The previous prime is 206142653131. The next prime is 206142653147. The reversal of 206142653146 is 641356241602.

It is a junction number, because it is equal to n+sod(n) for n = 206142653099 and 206142653108.

It is not an unprimeable number, because it can be changed into a prime (206142653147) 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, 1780791 + ... + 1893013.

It is an arithmetic number, because the mean of its divisors is an integer number (10062116064).

Almost surely, 2^206142653146 is an apocalyptic number.

206142653146 is a deficient number, since it is larger than the sum of its proper divisors (115845060902).

206142653146 is a wasteful number, since it uses less digits than its factorization.

206142653146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112606.

The product of its (nonzero) digits is 207360, while the sum is 40.

Adding to 206142653146 its reverse (641356241602), we get a palindrome (847498894748).

The spelling of 206142653146 in words is "two hundred six billion, one hundred forty-two million, six hundred fifty-three thousand, one hundred forty-six".