2101164447 has 8 divisors (see below), whose sum is σ = 2806279344. Its totient is φ = 1398412928.

The previous prime is 2101164397. The next prime is 2101164467. The reversal of 2101164447 is 7444611012.

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

It is a cyclic number.

It is not a de Polignac number, because 2101164447 - 2¹⁰ = 2101163423 is a prime.

It is a super-3 number, since 3×2101164447³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101164467) 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, 588768 + ... + 592325.

It is an arithmetic number, because the mean of its divisors is an integer number (350784918).

Almost surely, 2^2101164447 is an apocalyptic number.

2101164447 is a deficient number, since it is larger than the sum of its proper divisors (705114897).

2101164447 is a wasteful number, since it uses less digits than its factorization.

2101164447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181689.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 2101164447 is about 45838.4603471801. The cubic root of 2101164447 is about 1280.8158143582.

Adding to 2101164447 its reverse (7444611012), we get a palindrome (9545775459).

It can be divided in two parts, 21011 and 64447, that added together give a palindrome (85458).

The spelling of 2101164447 in words is "two billion, one hundred one million, one hundred sixty-four thousand, four hundred forty-seven".