101326661 has 8 divisors (see below), whose sum is σ = 105835200. Its totient is φ = 96826752.

The previous prime is 101326607. The next prime is 101326699. The reversal of 101326661 is 166623101.

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 101326661 - 2⁶ = 101326597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 101326661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101326861) 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, 37781 + ... + 40373.

It is an arithmetic number, because the mean of its divisors is an integer number (13229400).

Almost surely, 2^101326661 is an apocalyptic number.

It is an amenable number.

101326661 is a deficient number, since it is larger than the sum of its proper divisors (4508539).

101326661 is a wasteful number, since it uses less digits than its factorization.

101326661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4315.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 101326661 is about 10066.1144936862. The cubic root of 101326661 is about 466.2024776008.

Adding to 101326661 its reverse (166623101), we get a palindrome (267949762).

The spelling of 101326661 in words is "one hundred one million, three hundred twenty-six thousand, six hundred sixty-one".