1155854066 has 8 divisors (see below), whose sum is σ = 1735433904. Its totient is φ = 577376100.

The previous prime is 1155854059. The next prime is 1155854093. The reversal of 1155854066 is 6604585511.

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, 272840 + ... + 277043.

It is an arithmetic number, because the mean of its divisors is an integer number (216929238).

Almost surely, 2^1155854066 is an apocalyptic number.

1155854066 is a deficient number, since it is larger than the sum of its proper divisors (579579838).

1155854066 is a wasteful number, since it uses less digits than its factorization.

1155854066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550936.

The product of its (nonzero) digits is 144000, while the sum is 41.

The square root of 1155854066 is about 33997.8538440296. The cubic root of 1155854066 is about 1049.4642969535.

The spelling of 1155854066 in words is "one billion, one hundred fifty-five million, eight hundred fifty-four thousand, sixty-six".