206630612625626 has 12 divisors (see below), whose sum is σ = 360549334275498. Its totient is φ = 88555976839512.

The previous prime is 206630612625611. The next prime is 206630612625667. The reversal of 206630612625626 is 626526216036602.

It can be written as a sum of positive squares in only one way, i.e., 121937888417401 + 84692724208225 = 11042549^2 + 9202865^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1054237819421 + ... + 1054237819616.

Almost surely, 2^{206630612625626} is an apocalyptic number.

206630612625626 is a deficient number, since it is larger than the sum of its proper divisors (153918721649872).

206630612625626 is a wasteful number, since it uses less digits than its factorization.

206630612625626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108475639053 (or 2108475639046 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 53.

The spelling of 206630612625626 in words is "two hundred six trillion, six hundred thirty billion, six hundred twelve million, six hundred twenty-five thousand, six hundred twenty-six".