9162161982 has 24 divisors (see below), whose sum is σ = 19881409080. Its totient is φ = 3049429680.

The previous prime is 9162161959. The next prime is 9162162043. The reversal of 9162161982 is 2891612619.

9162161982 is a `hidden beast` number, since 9 + 1 + 6 + 21 + 619 + 8 + 2 = 666.

It is a super-3 number, since 3×9162161982³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 373132 + ... + 396927.

It is an arithmetic number, because the mean of its divisors is an integer number (828392045).

Almost surely, 2^9162161982 is an apocalyptic number.

9162161982 is an abundant number, since it is smaller than the sum of its proper divisors (10719247098).

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

9162161982 is a wasteful number, since it uses less digits than its factorization.

9162161982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770728 (or 770725 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 9162161982 is about 95719.1829363373. The cubic root of 9162161982 is about 2092.5025144388.

The spelling of 9162161982 in words is "nine billion, one hundred sixty-two million, one hundred sixty-one thousand, nine hundred eighty-two".