106560661 has 2 divisors, whose sum is σ = 106560662. Its totient is φ = 106560660.

The previous prime is 106560653. The next prime is 106560737. The reversal of 106560661 is 166065601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103022500 + 3538161 = 10150^2 + 1881^2 .

It is a cyclic number.

It is not a de Polignac number, because 106560661 - 2³ = 106560653 is a prime.

It is a super-2 number, since 2×106560661² = 22710348945513842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106560631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53280330 + 53280331.

It is an arithmetic number, because the mean of its divisors is an integer number (53280331).

Almost surely, 2^106560661 is an apocalyptic number.

It is an amenable number.

106560661 is a deficient number, since it is larger than the sum of its proper divisors (1).

106560661 is an equidigital number, since it uses as much as digits as its factorization.

106560661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 106560661 is about 10322.8223369387. The cubic root of 106560661 is about 474.0952840071.

The spelling of 106560661 in words is "one hundred six million, five hundred sixty thousand, six hundred sixty-one".