2009154066 has 8 divisors (see below), whose sum is σ = 4018308144. Its totient is φ = 669718020.

The previous prime is 2009154053. The next prime is 2009154071. The reversal of 2009154066 is 6604519002.

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

2009154066 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 167429500 + ... + 167429511.

It is an arithmetic number, because the mean of its divisors is an integer number (502288518).

Almost surely, 2^2009154066 is an apocalyptic number.

2009154066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2009154066 is a wasteful number, since it uses less digits than its factorization.

2009154066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334859016.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2009154066 is about 44823.5882767098. The cubic root of 2009154066 is about 1261.8403580285.

The spelling of 2009154066 in words is "two billion, nine million, one hundred fifty-four thousand, sixty-six".