2081655455 has 8 divisors (see below), whose sum is σ = 2725076304. Its totient is φ = 1513931200.

The previous prime is 2081655431. The next prime is 2081655469. The reversal of 2081655455 is 5545561802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2081655455 - 2⁶ = 2081655391 is a prime.

It is a Duffinian number.

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, 18924086 + ... + 18924195.

It is an arithmetic number, because the mean of its divisors is an integer number (340634538).

Almost surely, 2^2081655455 is an apocalyptic number.

2081655455 is a deficient number, since it is larger than the sum of its proper divisors (643420849).

2081655455 is a wasteful number, since it uses less digits than its factorization.

2081655455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37848297.

The product of its (nonzero) digits is 240000, while the sum is 41.

The square root of 2081655455 is about 45625.1625202585. The cubic root of 2081655455 is about 1276.8394221686.

The spelling of 2081655455 in words is "two billion, eighty-one million, six hundred fifty-five thousand, four hundred fifty-five".