2162956081 has 8 divisors (see below), whose sum is σ = 2541095424. Its totient is φ = 1815067920.

The previous prime is 2162956079. The next prime is 2162956099. The reversal of 2162956081 is 1806592612.

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 2162956081 - 2¹ = 2162956079 is a prime.

It is a super-2 number, since 2×2162956081² = 9356758016669757122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2162956021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7562641 + ... + 7562926.

It is an arithmetic number, because the mean of its divisors is an integer number (317636928).

Almost surely, 2^2162956081 is an apocalyptic number.

It is an amenable number.

2162956081 is a deficient number, since it is larger than the sum of its proper divisors (378139343).

2162956081 is a wasteful number, since it uses less digits than its factorization.

2162956081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15125591.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 2162956081 is about 46507.5916491061. The cubic root of 2162956081 is about 1293.2502381265.

The spelling of 2162956081 in words is "two billion, one hundred sixty-two million, nine hundred fifty-six thousand, eighty-one".