2555615671 has 8 divisors (see below), whose sum is σ = 2921020704. Its totient is φ = 2190289920.

The previous prime is 2555615663. The next prime is 2555615681. The reversal of 2555615671 is 1765165552.

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

It is not a de Polignac number, because 2555615671 - 2³ = 2555615663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555615611) by changing a digit.

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, 89391 + ... + 114463.

It is an arithmetic number, because the mean of its divisors is an integer number (365127588).

Almost surely, 2^2555615671 is an apocalyptic number.

2555615671 is a deficient number, since it is larger than the sum of its proper divisors (365405033).

2555615671 is a wasteful number, since it uses less digits than its factorization.

2555615671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39641.

The product of its digits is 315000, while the sum is 43.

The square root of 2555615671 is about 50553.0975411003. The cubic root of 2555615671 is about 1367.1993634744.

The spelling of 2555615671 in words is "two billion, five hundred fifty-five million, six hundred fifteen thousand, six hundred seventy-one".