2066155 has 32 divisors (see below), whose sum is σ = 3225600. Its totient is φ = 1233792.

The previous prime is 2066153. The next prime is 2066161. The reversal of 2066155 is 5516602.

It is not a de Polignac number, because 2066155 - 2¹ = 2066153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8526 + ... + 8764.

It is an arithmetic number, because the mean of its divisors is an integer number (100800).

2^2066155 is an apocalyptic number.

2066155 is a deficient number, since it is larger than the sum of its proper divisors (1159445).

2066155 is a wasteful number, since it uses less digits than its factorization.

2066155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2066155 is about 1437.4126060391. The cubic root of 2066155 is about 127.3662316124.

The spelling of 2066155 in words is "two million, sixty-six thousand, one hundred fifty-five".