655652616230266 has 4 divisors (see below), whose sum is σ = 983478924345402. Its totient is φ = 327826308115132.

The previous prime is 655652616230263. The next prime is 655652616230281. The reversal of 655652616230266 is 662032616256556.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 555777277355041 + 99875338875225 = 23574929^2 + 9993765^2 .

It is not an unprimeable number, because it can be changed into a prime (655652616230263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163913154057565 + ... + 163913154057568.

Almost surely, 2^{655652616230266} is an apocalyptic number.

655652616230266 is a deficient number, since it is larger than the sum of its proper divisors (327826308115136).

655652616230266 is a wasteful number, since it uses less digits than its factorization.

655652616230266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327826308115135.

The product of its (nonzero) digits is 139968000, while the sum is 61.

The spelling of 655652616230266 in words is "six hundred fifty-five trillion, six hundred fifty-two billion, six hundred sixteen million, two hundred thirty thousand, two hundred sixty-six".