206146312165302 has 64 divisors (see below), whose sum is σ = 425245755306240. Its totient is φ = 66582732432384.

The previous prime is 206146312165247. The next prime is 206146312165309. The reversal of 206146312165302 is 203561213641602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206146312165309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50671753 + ... + 54588635.

It is an arithmetic number, because the mean of its divisors is an integer number (6644464926660).

Almost surely, 2^{206146312165302} is an apocalyptic number.

206146312165302 is an abundant number, since it is smaller than the sum of its proper divisors (219099443140938).

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

206146312165302 is a wasteful number, since it uses less digits than its factorization.

206146312165302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3918557.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 206146312165302 in words is "two hundred six trillion, one hundred forty-six billion, three hundred twelve million, one hundred sixty-five thousand, three hundred two".