206178006952 has 16 divisors (see below), whose sum is σ = 409323984660. Its totient is φ = 97024944384.

The previous prime is 206178006943. The next prime is 206178006973. The reversal of 206178006952 is 259600871602.

It can be written as a sum of positive squares in 2 ways, for example, as 188448019236 + 17729987716 = 434106^2 + 133154^2 .

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, 758007243 + ... + 758007514.

Almost surely, 2^206178006952 is an apocalyptic number.

It is an amenable number.

206178006952 is a deficient number, since it is larger than the sum of its proper divisors (203145977708).

206178006952 is a wasteful number, since it uses less digits than its factorization.

206178006952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516014780 (or 1516014776 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 206178006952 in words is "two hundred six billion, one hundred seventy-eight million, six thousand, nine hundred fifty-two".