206652156446 has 16 divisors (see below), whose sum is σ = 311615631360. Its totient is φ = 102780494880.

The previous prime is 206652156439. The next prime is 206652156449. The reversal of 206652156446 is 644651256602.

206652156446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×206652156446² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 206652156446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206652156449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1965656 + ... + 2068116.

It is an arithmetic number, because the mean of its divisors is an integer number (19475976960).

Almost surely, 2^206652156446 is an apocalyptic number.

206652156446 is a deficient number, since it is larger than the sum of its proper divisors (104963474914).

206652156446 is a wasteful number, since it uses less digits than its factorization.

206652156446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107779.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 206652156446 in words is "two hundred six billion, six hundred fifty-two million, one hundred fifty-six thousand, four hundred forty-six".