1119561166 has 8 divisors (see below), whose sum is σ = 1680383880. Its totient is φ = 559433208.

The previous prime is 1119561151. The next prime is 1119561169. The reversal of 1119561166 is 6611659111.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1119561169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169641 + ... + 176116.

It is an arithmetic number, because the mean of its divisors is an integer number (210047985).

Almost surely, 2^1119561166 is an apocalyptic number.

1119561166 is a deficient number, since it is larger than the sum of its proper divisors (560822714).

1119561166 is a wasteful number, since it uses less digits than its factorization.

1119561166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347378.

The product of its digits is 9720, while the sum is 37.

The square root of 1119561166 is about 33459.8440821233. The cubic root of 1119561166 is about 1038.3631691426.

It can be divided in two parts, 11195 and 61166, that added together give a square (72361 = 269²).

The spelling of 1119561166 in words is "one billion, one hundred nineteen million, five hundred sixty-one thousand, one hundred sixty-six".