162420020742 has 64 divisors (see below), whose sum is σ = 372386165760. Its totient is φ = 46263343104.

The previous prime is 162420020689. The next prime is 162420020839. The reversal of 162420020742 is 247020024261.

162420020742 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 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 31 ways as a sum of consecutive naturals, for example, 32423134 + ... + 32428142.

It is an arithmetic number, because the mean of its divisors is an integer number (5818533840).

Almost surely, 2^162420020742 is an apocalyptic number.

162420020742 is an abundant number, since it is smaller than the sum of its proper divisors (209966145018).

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

162420020742 is a wasteful number, since it uses less digits than its factorization.

162420020742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7237.

The product of its (nonzero) digits is 10752, while the sum is 30.

The spelling of 162420020742 in words is "one hundred sixty-two billion, four hundred twenty million, twenty thousand, seven hundred forty-two".