1166620101 has 8 divisors (see below), whose sum is σ = 1597533984. Its totient is φ = 756726480.

The previous prime is 1166620079. The next prime is 1166620123. The reversal of 1166620101 is 1010266611.

It is an interprime number because it is at equal distance from previous prime (1166620079) and next prime (1166620123).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1166620101 - 2⁷ = 1166619973 is a prime.

It is a super-2 number, since 2×1166620101² = 2722004920114500402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166620141) 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, 5254935 + ... + 5255156.

It is an arithmetic number, because the mean of its divisors is an integer number (199691748).

Almost surely, 2^1166620101 is an apocalyptic number.

It is an amenable number.

1166620101 is a deficient number, since it is larger than the sum of its proper divisors (430913883).

1166620101 is a wasteful number, since it uses less digits than its factorization.

1166620101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10510131.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1166620101 is about 34155.8208948343. The cubic root of 1166620101 is about 1052.7125934471.

Adding to 1166620101 its reverse (1010266611), we get a palindrome (2176886712).

The spelling of 1166620101 in words is "one billion, one hundred sixty-six million, six hundred twenty thousand, one hundred one".