1198162086 has 48 divisors (see below), whose sum is σ = 2724850800. Its totient is φ = 350553280.

The previous prime is 1198162079. The next prime is 1198162087. The reversal of 1198162086 is 6802618911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198162087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7401 + ... + 49508.

It is an arithmetic number, because the mean of its divisors is an integer number (56767725).

Almost surely, 2^1198162086 is an apocalyptic number.

1198162086 is an abundant number, since it is smaller than the sum of its proper divisors (1526688714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1198162086 is a wasteful number, since it uses less digits than its factorization.

1198162086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56965 (or 56954 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 1198162086 is about 34614.4779824859. The cubic root of 1198162086 is about 1062.1157711222.

The spelling of 1198162086 in words is "one billion, one hundred ninety-eight million, one hundred sixty-two thousand, eighty-six".