2046561066 has 56 divisors (see below), whose sum is σ = 5021119584. Its totient is φ = 620165160.

The previous prime is 2046561053. The next prime is 2046561067. The reversal of 2046561066 is 6601656402.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2046561066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2046561067) 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 27 ways as a sum of consecutive naturals, for example, 47766 + ... + 79841.

Almost surely, 2^2046561066 is an apocalyptic number.

2046561066 is an abundant number, since it is smaller than the sum of its proper divisors (2974558518).

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

2046561066 is a wasteful number, since it uses less digits than its factorization.

2046561066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127638 (or 127623 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2046561066 is about 45238.9330776047. The cubic root of 2046561066 is about 1269.6233545291.

The spelling of 2046561066 in words is "two billion, forty-six million, five hundred sixty-one thousand, sixty-six".