2066154 has 32 divisors (see below), whose sum is σ = 4366656. Its totient is φ = 650880.

The previous prime is 2066153. The next prime is 2066161. The reversal of 2066154 is 4516602.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8989 + ... + 9215.

It is an arithmetic number, because the mean of its divisors is an integer number (136458).

2^2066154 is an apocalyptic number.

2066154 is an abundant number, since it is smaller than the sum of its proper divisors (2300502).

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

2066154 is a wasteful number, since it uses less digits than its factorization.

2066154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2066154 is about 1437.4122581918. The cubic root of 2066154 is about 127.3662110643.

The spelling of 2066154 in words is "two million, sixty-six thousand, one hundred fifty-four".