106601166611 has 4 divisors (see below), whose sum is σ = 106601820000. Its totient is φ = 106600513224.

The previous prime is 106601166599. The next prime is 106601166667. The reversal of 106601166611 is 116661106601.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 116661106601 = 13 ⋅8973931277.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106601166611 is a prime.

It is a super-2 number, since 2×106601166611² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106601166691) 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, 146390 + ... + 484388.

It is an arithmetic number, because the mean of its divisors is an integer number (26650455000).

Almost surely, 2^106601166611 is an apocalyptic number.

106601166611 is a deficient number, since it is larger than the sum of its proper divisors (653389).

106601166611 is an equidigital number, since it uses as much as digits as its factorization.

106601166611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653388.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 106601166611 in words is "one hundred six billion, six hundred one million, one hundred sixty-six thousand, six hundred eleven".