2086181364 has 24 divisors (see below), whose sum is σ = 4915019200. Its totient is φ = 688641984.

The previous prime is 2086181347. The next prime is 2086181387. The reversal of 2086181364 is 4631816802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842689 + ... + 845160.

Almost surely, 2^2086181364 is an apocalyptic number.

It is an amenable number.

2086181364 is an abundant number, since it is smaller than the sum of its proper divisors (2828837836).

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

2086181364 is a wasteful number, since it uses less digits than its factorization.

2086181364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687959 (or 1687957 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 2086181364 is about 45674.7344163050. The cubic root of 2086181364 is about 1277.7641150555.

The spelling of 2086181364 in words is "two billion, eighty-six million, one hundred eighty-one thousand, three hundred sixty-four".