8661368101 has 16 divisors (see below), whose sum is σ = 9565657600. Its totient is φ = 7810603200.

The previous prime is 8661368099. The next prime is 8661368153. The reversal of 8661368101 is 1018631668.

It is a cyclic number.

It is not a de Polignac number, because 8661368101 - 2¹ = 8661368099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8661366101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84606 + ... + 156463.

It is an arithmetic number, because the mean of its divisors is an integer number (597853600).

Almost surely, 2^8661368101 is an apocalyptic number.

It is an amenable number.

8661368101 is a deficient number, since it is larger than the sum of its proper divisors (904289499).

8661368101 is a wasteful number, since it uses less digits than its factorization.

8661368101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241180.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 8661368101 is about 93066.4714115669. The cubic root of 8661368101 is about 2053.6613609122.

Adding to 8661368101 its reverse (1018631668), we get a palindrome (9679999769).

The spelling of 8661368101 in words is "eight billion, six hundred sixty-one million, three hundred sixty-eight thousand, one hundred one".