101666073 has 8 divisors (see below), whose sum is σ = 135721600. Its totient is φ = 67693968.

The previous prime is 101666057. The next prime is 101666099. The reversal of 101666073 is 370666101.

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

It is not a de Polignac number, because 101666073 - 2⁴ = 101666057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101666073.

It is not an unprimeable number, because it can be changed into a prime (101662073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17953 + ... + 22926.

It is an arithmetic number, because the mean of its divisors is an integer number (16965200).

Almost surely, 2^101666073 is an apocalyptic number.

It is an amenable number.

101666073 is a deficient number, since it is larger than the sum of its proper divisors (34055527).

101666073 is an equidigital number, since it uses as much as digits as its factorization.

101666073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41711.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 101666073 is about 10082.9595357712. The cubic root of 101666073 is about 466.7224406695.

The spelling of 101666073 in words is "one hundred one million, six hundred sixty-six thousand, seventy-three".