1861093066 has 8 divisors (see below), whose sum is σ = 3190445280. Its totient is φ = 797611308.

The previous prime is 1861093049. The next prime is 1861093097. The reversal of 1861093066 is 6603901681.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 66467596 + ... + 66467623.

It is an arithmetic number, because the mean of its divisors is an integer number (398805660).

Almost surely, 2^1861093066 is an apocalyptic number.

1861093066 is a deficient number, since it is larger than the sum of its proper divisors (1329352214).

1861093066 is a wasteful number, since it uses less digits than its factorization.

1861093066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132935228.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 1861093066 is about 43140.3878749369. The cubic root of 1861093066 is about 1230.0498065186.

The spelling of 1861093066 in words is "one billion, eight hundred sixty-one million, ninety-three thousand, sixty-six".