2611655 has 8 divisors (see below), whose sum is σ = 3147984. Its totient is φ = 2080000.

The previous prime is 2611643. The next prime is 2611663. The reversal of 2611655 is 5561162.

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

It is not a de Polignac number, because 2611655 - 2⁴ = 2611639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215 + ... + 2295.

It is an arithmetic number, because the mean of its divisors is an integer number (393498).

2^2611655 is an apocalyptic number.

2611655 is a deficient number, since it is larger than the sum of its proper divisors (536329).

2611655 is a wasteful number, since it uses less digits than its factorization.

2611655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337.

The product of its digits is 1800, while the sum is 26.

The square root of 2611655 is about 1616.0615706092. The cubic root of 2611655 is about 137.7120474757.

The spelling of 2611655 in words is "two million, six hundred eleven thousand, six hundred fifty-five".