206972223364 has 9 divisors (see below), whose sum is σ = 362202983191. Its totient is φ = 103485656740.

The previous prime is 206972223307. The next prime is 206972223371. The reversal of 206972223364 is 463322279602.

The square root of 206972223364 is 454942.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 796149 + ... + 1023619.

Almost surely, 2^206972223364 is an apocalyptic number.

206972223364 is the 454942-nd square number.

It is an amenable number.

206972223364 is a deficient number, since it is larger than the sum of its proper divisors (155230759827).

206972223364 is an frugal number, since it uses more digits than its factorization.

206972223364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454946 (or 227473 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 46.

It can be divided in two parts, 206972 and 223364, that added together give a square (430336 = 656²).

The spelling of 206972223364 in words is "two hundred six billion, nine hundred seventy-two million, two hundred twenty-three thousand, three hundred sixty-four".