101661173 has 8 divisors (see below), whose sum is σ = 112321728. Its totient is φ = 91520704.

The previous prime is 101661151. The next prime is 101661179. The reversal of 101661173 is 371166101.

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

It is a cyclic number.

It is not a de Polignac number, because 101661173 - 2¹⁰ = 101660149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101661179) 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, 129611 + ... + 130392.

It is an arithmetic number, because the mean of its divisors is an integer number (14040216).

Almost surely, 2^101661173 is an apocalyptic number.

It is an amenable number.

101661173 is a deficient number, since it is larger than the sum of its proper divisors (10660555).

101661173 is a wasteful number, since it uses less digits than its factorization.

101661173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260043.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 101661173 is about 10082.7165486291. The cubic root of 101661173 is about 466.7149423414.

The spelling of 101661173 in words is "one hundred one million, six hundred sixty-one thousand, one hundred seventy-three".