206662612526812 has 24 divisors (see below), whose sum is σ = 389796446793600. Its totient is φ = 95305134169536.

The previous prime is 206662612526801. The next prime is 206662612526827. The reversal of 206662612526812 is 218625216266602.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1616812012 + ... + 1616939827.

It is an arithmetic number, because the mean of its divisors is an integer number (16241518616400).

Almost surely, 2^{206662612526812} is an apocalyptic number.

It is an amenable number.

206662612526812 is a deficient number, since it is larger than the sum of its proper divisors (183133834266788).

206662612526812 is a wasteful number, since it uses less digits than its factorization.

206662612526812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233753085 (or 3233753083 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 55.

The spelling of 206662612526812 in words is "two hundred six trillion, six hundred sixty-two billion, six hundred twelve million, five hundred twenty-six thousand, eight hundred twelve".