101361556666 has 8 divisors (see below), whose sum is σ = 152051164884. Its totient is φ = 50677835040.

The previous prime is 101361556661. The next prime is 101361556729. The reversal of 101361556666 is 666655163101.

101361556666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 97047825625 + 4313731041 = 311525^2 + 65679^2 .

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

It is not an unprimeable number, because it can be changed into a prime (101361556661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1428345 + ... + 1497628.

Almost surely, 2^101361556666 is an apocalyptic number.

101361556666 is a deficient number, since it is larger than the sum of its proper divisors (50689608218).

101361556666 is a wasteful number, since it uses less digits than its factorization.

101361556666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943296.

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 101361556666 in words is "one hundred one billion, three hundred sixty-one million, five hundred fifty-six thousand, six hundred sixty-six".