162691578712 has 16 divisors (see below), whose sum is σ = 328511841840. Its totient is φ = 75088420896.

The previous prime is 162691578701. The next prime is 162691578713. The reversal of 162691578712 is 217875196261.

162691578712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162691578713) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 782170948 + ... + 782171155.

It is an arithmetic number, because the mean of its divisors is an integer number (20531990115).

Almost surely, 2^162691578712 is an apocalyptic number.

It is an amenable number.

162691578712 is an abundant number, since it is smaller than the sum of its proper divisors (165820263128).

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

162691578712 is a wasteful number, since it uses less digits than its factorization.

162691578712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564342122 (or 1564342118 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 55.

The spelling of 162691578712 in words is "one hundred sixty-two billion, six hundred ninety-one million, five hundred seventy-eight thousand, seven hundred twelve".