162678508538 has 32 divisors (see below), whose sum is σ = 306458745600. Its totient is φ = 64356329520.

The previous prime is 162678508537. The next prime is 162678508549. The reversal of 162678508538 is 835805876261.

162678508538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (162678508537) 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 15 ways as a sum of consecutive naturals, for example, 9111878 + ... + 9129713.

It is an arithmetic number, because the mean of its divisors is an integer number (9576835800).

Almost surely, 2^162678508538 is an apocalyptic number.

162678508538 is a deficient number, since it is larger than the sum of its proper divisors (143780237062).

162678508538 is a wasteful number, since it uses less digits than its factorization.

162678508538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18241627 (or 18241613 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 59.

The spelling of 162678508538 in words is "one hundred sixty-two billion, six hundred seventy-eight million, five hundred eight thousand, five hundred thirty-eight".