206725964964625 has 16 divisors (see below), whose sum is σ = 258000052527360. Its totient is φ = 165376894887600.

The previous prime is 206725964964611. The next prime is 206725964964637. The reversal of 206725964964625 is 526469469527602.

It is not a de Polignac number, because 206725964964625 - 2³¹ = 206723817480977 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14026195 + ... + 24701944.

It is an arithmetic number, because the mean of its divisors is an integer number (16125003282960).

Almost surely, 2^{206725964964625} is an apocalyptic number.

206725964964625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

206725964964625 is a deficient number, since it is larger than the sum of its proper divisors (51274087562735).

206725964964625 is an equidigital number, since it uses as much as digits as its factorization.

206725964964625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38770857 (or 38770847 counting only the distinct ones).

The product of its (nonzero) digits is 2351462400, while the sum is 73.

The spelling of 206725964964625 in words is "two hundred six trillion, seven hundred twenty-five billion, nine hundred sixty-four million, nine hundred sixty-four thousand, six hundred twenty-five".