101301661 has 4 divisors (see below), whose sum is σ = 101321824. Its totient is φ = 101281500.

The previous prime is 101301653. The next prime is 101301667. The reversal of 101301661 is 166103101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 166103101 = 37 ⋅4489273.

It is a cyclic number.

It is not a de Polignac number, because 101301661 - 2³ = 101301653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101301667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4186 + ... + 14836.

It is an arithmetic number, because the mean of its divisors is an integer number (25330456).

Almost surely, 2^101301661 is an apocalyptic number.

It is an amenable number.

101301661 is a deficient number, since it is larger than the sum of its proper divisors (20163).

101301661 is an equidigital number, since it uses as much as digits as its factorization.

101301661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20162.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 101301661 is about 10064.8726271126. The cubic root of 101301661 is about 466.1641329029.

Adding to 101301661 its reverse (166103101), we get a palindrome (267404762).

The spelling of 101301661 in words is "one hundred one million, three hundred one thousand, six hundred sixty-one".