162542515642 has 16 divisors (see below), whose sum is σ = 265892336640. Its totient is φ = 74070006192.

The previous prime is 162542515591. The next prime is 162542515649. The reversal of 162542515642 is 246515245261.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (162542515649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39565258 + ... + 39569365.

It is an arithmetic number, because the mean of its divisors is an integer number (16618271040).

Almost surely, 2^162542515642 is an apocalyptic number.

162542515642 is a deficient number, since it is larger than the sum of its proper divisors (103349820998).

162542515642 is a wasteful number, since it uses less digits than its factorization.

162542515642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79134717.

The product of its digits is 576000, while the sum is 43.

The spelling of 162542515642 in words is "one hundred sixty-two billion, five hundred forty-two million, five hundred fifteen thousand, six hundred forty-two".