10301661 has 20 divisors (see below), whose sum is σ = 15572700. Its totient is φ = 6785856.

The previous prime is 10301659. The next prime is 10301717. The reversal of 10301661 is 16610301.

10301661 is a `hidden beast` number, since 1 + 0 + 3 + 0 + 1 + 661 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1265625 + 9036036 = 1125^2 + 3006^2 .

It is not a de Polignac number, because 10301661 - 2¹ = 10301659 is a prime.

It is a super-2 number, since 2×10301661² = 212248438717842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10301561) 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 19 ways as a sum of consecutive naturals, for example, 6495 + ... + 7923.

It is an arithmetic number, because the mean of its divisors is an integer number (778635).

Almost surely, 2^10301661 is an apocalyptic number.

It is an amenable number.

10301661 is a deficient number, since it is larger than the sum of its proper divisors (5271039).

10301661 is an equidigital number, since it uses as much as digits as its factorization.

10301661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530 (or 1521 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 10301661 is about 3209.6200709741. The cubic root of 10301661 is about 217.5884063915.

Adding to 10301661 its reverse (16610301), we get a palindrome (26911962).

The spelling of 10301661 in words is "ten million, three hundred one thousand, six hundred sixty-one".