2170062081 has 24 divisors (see below), whose sum is σ = 3446436864. Its totient is φ = 1304825760.

The previous prime is 2170062077. The next prime is 2170062091. The reversal of 2170062081 is 1802600712.

It is not a de Polignac number, because 2170062081 - 2² = 2170062077 is a prime.

It is a super-2 number, since 2×2170062081² = 9418338870788101122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2170062001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73726 + ... + 98871.

It is an arithmetic number, because the mean of its divisors is an integer number (143601536).

Almost surely, 2^2170062081 is an apocalyptic number.

It is an amenable number.

2170062081 is a deficient number, since it is larger than the sum of its proper divisors (1276374783).

2170062081 is a wasteful number, since it uses less digits than its factorization.

2170062081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172741 (or 172738 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 2170062081 is about 46583.9251351794. The cubic root of 2170062081 is about 1294.6649363959.

Adding to 2170062081 its reverse (1802600712), we get a palindrome (3972662793).

The spelling of 2170062081 in words is "two billion, one hundred seventy million, sixty-two thousand, eighty-one".