206165540401152 has 104 divisors (see below), whose sum is σ = 550959859105920. Its totient is φ = 68565303214080.

The previous prime is 206165540401099. The next prime is 206165540401157. The reversal of 206165540401152 is 251104045561602.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206165540401157) 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, 13714674 + ... + 24503537.

Almost surely, 2^{206165540401152} is an apocalyptic number.

It is an amenable number.

206165540401152 is an abundant number, since it is smaller than the sum of its proper divisors (344794318704768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206165540401152 is an equidigital number, since it uses as much as digits as its factorization.

206165540401152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38218677 (or 38218655 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

Adding to 206165540401152 its reverse (251104045561602), we get a palindrome (457269585962754).

The spelling of 206165540401152 in words is "two hundred six trillion, one hundred sixty-five billion, five hundred forty million, four hundred one thousand, one hundred fifty-two".