1206662361 has 8 divisors (see below), whose sum is σ = 1609298784. Its totient is φ = 804233760.

The previous prime is 1206662357. The next prime is 1206662381. The reversal of 1206662361 is 1632666021.

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

It is not a de Polignac number, because 1206662361 - 2² = 1206662357 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1206662381) 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 7 ways as a sum of consecutive naturals, for example, 37860 + ... + 62021.

It is an arithmetic number, because the mean of its divisors is an integer number (201162348).

Almost surely, 2^1206662361 is an apocalyptic number.

It is an amenable number.

1206662361 is a deficient number, since it is larger than the sum of its proper divisors (402636423).

1206662361 is an equidigital number, since it uses as much as digits as its factorization.

1206662361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103911.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 1206662361 is about 34737.0459452153. The cubic root of 1206662361 is about 1064.6215561189.

The spelling of 1206662361 in words is "one billion, two hundred six million, six hundred sixty-two thousand, three hundred sixty-one".