100161055666 has 8 divisors (see below), whose sum is σ = 171704666880. Its totient is φ = 42926166708.

The previous prime is 100161055663. The next prime is 100161055679. The reversal of 100161055666 is 666550161001.

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 (100161055663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3577180546 + ... + 3577180573.

It is an arithmetic number, because the mean of its divisors is an integer number (21463083360).

Almost surely, 2^100161055666 is an apocalyptic number.

100161055666 is a deficient number, since it is larger than the sum of its proper divisors (71543611214).

100161055666 is an equidigital number, since it uses as much as digits as its factorization.

100161055666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7154361128.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 100161055666 in words is "one hundred billion, one hundred sixty-one million, fifty-five thousand, six hundred sixty-six".