2116660601 has 4 divisors (see below), whose sum is σ = 2309084304. Its totient is φ = 1924236900.

The previous prime is 2116660597. The next prime is 2116660603. The reversal of 2116660601 is 1060666112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2116660601 - 2² = 2116660597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2116660603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96211835 + ... + 96211856.

It is an arithmetic number, because the mean of its divisors is an integer number (577271076).

Almost surely, 2^2116660601 is an apocalyptic number.

It is an amenable number.

2116660601 is a deficient number, since it is larger than the sum of its proper divisors (192423703).

2116660601 is a wasteful number, since it uses less digits than its factorization.

2116660601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192423702.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2116660601 is about 46007.1798853179. The cubic root of 2116660601 is about 1283.9567910282.

The spelling of 2116660601 in words is "two billion, one hundred sixteen million, six hundred sixty thousand, six hundred one".