101066665206 has 32 divisors (see below), whose sum is σ = 217720929888. Its totient is φ = 31091880960.

The previous prime is 101066665187. The next prime is 101066665207. The reversal of 101066665206 is 602566660101.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101066665207) by changing a digit.

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, 334950 + ... + 560646.

It is an arithmetic number, because the mean of its divisors is an integer number (6803779059).

Almost surely, 2^101066665206 is an apocalyptic number.

101066665206 is an abundant number, since it is smaller than the sum of its proper divisors (116654264682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101066665206 is a wasteful number, since it uses less digits than its factorization.

101066665206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231456.

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 101066665206 in words is "one hundred one billion, sixty-six million, six hundred sixty-five thousand, two hundred six".