206555101555602 has 256 divisors, whose sum is σ = 463388586393600. Its totient is φ = 61046373273600.

The previous prime is 206555101555591. The next prime is 206555101555609.

206555101555602 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (206555101555609) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 36435894424 + ... + 36435900092.

It is an arithmetic number, because the mean of its divisors is an integer number (1810111665600).

Almost surely, 2^{206555101555602} is an apocalyptic number.

206555101555602 is an abundant number, since it is smaller than the sum of its proper divisors (256833484837998).

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

206555101555602 is a wasteful number, since it uses less digits than its factorization.

206555101555602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6601.

The product of its (nonzero) digits is 2250000, while the sum is 48.

The spelling of 206555101555602 in words is "two hundred six trillion, five hundred fifty-five billion, one hundred one million, five hundred fifty-five thousand, six hundred two".