206643950496 has 96 divisors (see below), whose sum is σ = 611200598400. Its totient is φ = 67911137280.

The previous prime is 206643950479. The next prime is 206643950521. The reversal of 206643950496 is 694059346602.

206643950496 is a `hidden beast` number, since 2 + 0 + 6 + 6 + 43 + 9 + 504 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1622961 + ... + 1745648.

It is an arithmetic number, because the mean of its divisors is an integer number (6366672900).

Almost surely, 2^206643950496 is an apocalyptic number.

It is an amenable number.

206643950496 is an abundant number, since it is smaller than the sum of its proper divisors (404556647904).

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

206643950496 is a wasteful number, since it uses less digits than its factorization.

206643950496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368699 (or 3368685 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 54.

The spelling of 206643950496 in words is "two hundred six billion, six hundred forty-three million, nine hundred fifty thousand, four hundred ninety-six".