2072631156 has 12 divisors (see below), whose sum is σ = 4836139392. Its totient is φ = 690877048.

The previous prime is 2072631151. The next prime is 2072631157. The reversal of 2072631156 is 6511362702.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2072631151) 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, 86359620 + ... + 86359643.

It is an arithmetic number, because the mean of its divisors is an integer number (403011616).

Almost surely, 2^2072631156 is an apocalyptic number.

It is an amenable number.

2072631156 is an abundant number, since it is smaller than the sum of its proper divisors (2763508236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2072631156 is a wasteful number, since it uses less digits than its factorization.

2072631156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172719270 (or 172719268 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2072631156 is about 45526.1590297271. The cubic root of 2072631156 is about 1274.9916505412.

Adding to 2072631156 its reverse (6511362702), we get a palindrome (8583993858).

The spelling of 2072631156 in words is "two billion, seventy-two million, six hundred thirty-one thousand, one hundred fifty-six".