206511888716 has 12 divisors (see below), whose sum is σ = 413023777488. Its totient is φ = 88505095152.

The previous prime is 206511888691. The next prime is 206511888757. The reversal of 206511888716 is 617888115602.

206511888716 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3687712271 + ... + 3687712326.

It is an arithmetic number, because the mean of its divisors is an integer number (34418648124).

Almost surely, 2^206511888716 is an apocalyptic number.

It is an amenable number.

206511888716 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

206511888716 is a wasteful number, since it uses less digits than its factorization.

206511888716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7375424608 (or 7375424606 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 53.

The spelling of 206511888716 in words is "two hundred six billion, five hundred eleven million, eight hundred eighty-eight thousand, seven hundred sixteen".