206120100636160 has 320 divisors, whose sum is σ = 530761628795904. Its totient is φ = 76592001024000.

The previous prime is 206120100636127. The next prime is 206120100636179. The reversal of 206120100636160 is 61636001021602.

It is a tau number, because it is divible by the number of its divisors (320).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 279724210 + ... + 280460110.

Almost surely, 2^{206120100636160} is an apocalyptic number.

206120100636160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206120100636160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265380814397952).

206120100636160 is an abundant number, since it is smaller than the sum of its proper divisors (324641528159744).

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

206120100636160 is an equidigital number, since it uses as much as digits as its factorization.

206120100636160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736085 (or 736069 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

Adding to 206120100636160 its reverse (61636001021602), we get a palindrome (267756101657762).

The spelling of 206120100636160 in words is "two hundred six trillion, one hundred twenty billion, one hundred million, six hundred thirty-six thousand, one hundred sixty".