206021536143622 has 16 divisors (see below), whose sum is σ = 315824970143232. Its totient is φ = 100749567075400.

The previous prime is 206021536143571. The next prime is 206021536143671. The reversal of 206021536143622 is 226341635120602.

It is a super-2 number, since 2×206021536143622² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755107738 + ... + 755380525.

It is an arithmetic number, because the mean of its divisors is an integer number (19739060633952).

Almost surely, 2^{206021536143622} is an apocalyptic number.

206021536143622 is a deficient number, since it is larger than the sum of its proper divisors (109803433999610).

206021536143622 is a wasteful number, since it uses less digits than its factorization.

206021536143622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510489763.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 206021536143622 in words is "two hundred six trillion, twenty-one billion, five hundred thirty-six million, one hundred forty-three thousand, six hundred twenty-two".