2072166015 has 32 divisors (see below), whose sum is σ = 3426508800. Its totient is φ = 1068226560.

The previous prime is 2072166013. The next prime is 2072166037. The reversal of 2072166015 is 5106612702.

It is not a de Polignac number, because 2072166015 - 2¹ = 2072166013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2072166013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 480991 + ... + 485279.

It is an arithmetic number, because the mean of its divisors is an integer number (107078400).

Almost surely, 2^2072166015 is an apocalyptic number.

2072166015 is a deficient number, since it is larger than the sum of its proper divisors (1354342785).

2072166015 is a wasteful number, since it uses less digits than its factorization.

2072166015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5367.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 2072166015 is about 45521.0502405206. The cubic root of 2072166015 is about 1274.8962653012.

Adding to 2072166015 its reverse (5106612702), we get a palindrome (7178778717).

It can be divided in two parts, 20721 and 66015, that added together give a triangular number (86736 = T₄₁₆).

The spelling of 2072166015 in words is "two billion, seventy-two million, one hundred sixty-six thousand, fifteen".