2152606881 has 16 divisors (see below), whose sum is σ = 3023667200. Its totient is φ = 1358432208.

The previous prime is 2152606879. The next prime is 2152606891. The reversal of 2152606881 is 1886062512.

It is not a de Polignac number, because 2152606881 - 2¹ = 2152606879 is a prime.

It is a super-2 number, since 2×2152606881² = 9267432768257096322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2152606811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58140 + ... + 87666.

It is an arithmetic number, because the mean of its divisors is an integer number (188979200).

Almost surely, 2^2152606881 is an apocalyptic number.

It is an amenable number.

2152606881 is a deficient number, since it is larger than the sum of its proper divisors (871060319).

2152606881 is a wasteful number, since it uses less digits than its factorization.

2152606881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30828.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 2152606881 is about 46396.1946823228. The cubic root of 2152606881 is about 1291.1843140992.

The spelling of 2152606881 in words is "two billion, one hundred fifty-two million, six hundred six thousand, eight hundred eighty-one".