206946747396 has 135 divisors (see below), whose sum is σ = 548046993879. Its totient is φ = 68095166832.

The previous prime is 206946747323. The next prime is 206946747401. The reversal of 206946747396 is 693747649602.

The square root of 206946747396 is 454914.

It is a perfect power (a square), and thus also a powerful number.

206946747396 is a `hidden beast` number, since 20 + 69 + 467 + 4 + 7 + 3 + 96 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1039933305 + ... + 1039933503.

Almost surely, 2^206946747396 is an apocalyptic number.

206946747396 is the 454914-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206946747396

206946747396 is an abundant number, since it is smaller than the sum of its proper divisors (341100246483).

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

206946747396 is an equidigital number, since it uses as much as digits as its factorization.

206946747396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 82301184, while the sum is 63.

The spelling of 206946747396 in words is "two hundred six billion, nine hundred forty-six million, seven hundred forty-seven thousand, three hundred ninety-six".