101189966 has 16 divisors (see below), whose sum is σ = 157337856. Its totient is φ = 48776376.

The previous prime is 101189951. The next prime is 101189969. The reversal of 101189966 is 669981101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101189969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1736 + ... + 14331.

It is an arithmetic number, because the mean of its divisors is an integer number (9833616).

Almost surely, 2^101189966 is an apocalyptic number.

101189966 is a deficient number, since it is larger than the sum of its proper divisors (56147890).

101189966 is a wasteful number, since it uses less digits than its factorization.

101189966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16183.

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 101189966 is about 10059.3223429812. The cubic root of 101189966 is about 465.9927393614.

The spelling of 101189966 in words is "one hundred one million, one hundred eighty-nine thousand, nine hundred sixty-six".