2072167201 has 4 divisors (see below), whose sum is σ = 2231564692. Its totient is φ = 1912769712.

The previous prime is 2072167171. The next prime is 2072167211. The reversal of 2072167201 is 1027612702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 374809600 + 1697357601 = 19360^2 + 41199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2072167201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2072167201.

It is not an unprimeable number, because it can be changed into a prime (2072167211) 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, 79698726 + ... + 79698751.

It is an arithmetic number, because the mean of its divisors is an integer number (557891173).

Almost surely, 2^2072167201 is an apocalyptic number.

It is an amenable number.

2072167201 is a deficient number, since it is larger than the sum of its proper divisors (159397491).

2072167201 is a wasteful number, since it uses less digits than its factorization.

2072167201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159397490.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 2072167201 is about 45521.0632674589. The cubic root of 2072167201 is about 1274.8965085292.

Adding to 2072167201 its reverse (1027612702), we get a palindrome (3099779903).

The spelling of 2072167201 in words is "two billion, seventy-two million, one hundred sixty-seven thousand, two hundred one".