206132021143636 has 96 divisors (see below), whose sum is σ = 423542056654080. Its totient is φ = 85938416256000.

The previous prime is 206132021143537. The next prime is 206132021143651. The reversal of 206132021143636 is 636341120231602.

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, 549455370 + ... + 549830398.

It is an arithmetic number, because the mean of its divisors is an integer number (4411896423480).

Almost surely, 2^{206132021143636} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206132021143636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211771028327040).

206132021143636 is an abundant number, since it is smaller than the sum of its proper divisors (217410035510444).

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

206132021143636 is a wasteful number, since it uses less digits than its factorization.

206132021143636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376465 (or 376463 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 206132021143636 in words is "two hundred six trillion, one hundred thirty-two billion, twenty-one million, one hundred forty-three thousand, six hundred thirty-six".