1196851655 has 4 divisors (see below), whose sum is σ = 1436221992. Its totient is φ = 957481320.

The previous prime is 1196851597. The next prime is 1196851661. The reversal of 1196851655 is 5561586911.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1196851655 - 2²⁰ = 1195803079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119685161 + ... + 119685170.

It is an arithmetic number, because the mean of its divisors is an integer number (359055498).

Almost surely, 2^1196851655 is an apocalyptic number.

1196851655 is a deficient number, since it is larger than the sum of its proper divisors (239370337).

1196851655 is an equidigital number, since it uses as much as digits as its factorization.

1196851655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239370336.

The product of its digits is 324000, while the sum is 47.

The square root of 1196851655 is about 34595.5438604454. The cubic root of 1196851655 is about 1061.7284175324.

The spelling of 1196851655 in words is "one billion, one hundred ninety-six million, eight hundred fifty-one thousand, six hundred fifty-five".