2112157162 has 16 divisors (see below), whose sum is σ = 3346497792. Its totient is φ = 998242560.

The previous prime is 2112157109. The next prime is 2112157169. The reversal of 2112157162 is 2617512112.

It is a super-2 number, since 2×2112157162² = 8922415753975788488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112157162.

It is not an unprimeable number, because it can be changed into a prime (2112157169) 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, 393463 + ... + 398794.

It is an arithmetic number, because the mean of its divisors is an integer number (209156112).

Almost surely, 2^2112157162 is an apocalyptic number.

2112157162 is a deficient number, since it is larger than the sum of its proper divisors (1234340630).

2112157162 is a wasteful number, since it uses less digits than its factorization.

2112157162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792333.

The product of its digits is 1680, while the sum is 28.

The square root of 2112157162 is about 45958.2110400307. The cubic root of 2112157162 is about 1283.0455558624.

Adding to 2112157162 its reverse (2617512112), we get a palindrome (4729669274).

The spelling of 2112157162 in words is "two billion, one hundred twelve million, one hundred fifty-seven thousand, one hundred sixty-two".