1190666155 has 8 divisors (see below), whose sum is σ = 1632913632. Its totient is φ = 816456768.

The previous prime is 1190666149. The next prime is 1190666159. The reversal of 1190666155 is 5516660911.

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

It is a cyclic number.

It is not a de Polignac number, because 1190666155 - 2¹⁷ = 1190535083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1190666159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17009482 + ... + 17009551.

It is an arithmetic number, because the mean of its divisors is an integer number (204114204).

Almost surely, 2^1190666155 is an apocalyptic number.

1190666155 is a deficient number, since it is larger than the sum of its proper divisors (442247477).

1190666155 is an equidigital number, since it uses as much as digits as its factorization.

1190666155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34019045.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 1190666155 is about 34506.0307047913. The cubic root of 1190666155 is about 1059.8962029015.

The spelling of 1190666155 in words is "one billion, one hundred ninety million, six hundred sixty-six thousand, one hundred fifty-five".