100661132660266 has 8 divisors (see below), whose sum is σ = 151327983399300. Its totient is φ = 50218471527168.

The previous prime is 100661132660201. The next prime is 100661132660327. The reversal of 100661132660266 is 662066231166001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 100652480870041 + 8651790225 = 10032571^2 + 93015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56047400361 + ... + 56047402156.

Almost surely, 2^{100661132660266} is an apocalyptic number.

100661132660266 is a deficient number, since it is larger than the sum of its proper divisors (50666850739034).

100661132660266 is a wasteful number, since it uses less digits than its factorization.

100661132660266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112094802968.

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 100661132660266 in words is "one hundred trillion, six hundred sixty-one billion, one hundred thirty-two million, six hundred sixty thousand, two hundred sixty-six".