162420020745 has 16 divisors (see below), whose sum is σ = 259897997952. Its totient is φ = 86615356160.

The previous prime is 162420020689. The next prime is 162420020839. The reversal of 162420020745 is 547020024261.

162420020745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 162420020745 - 2⁶ = 162420020681 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 384336 + ... + 687425.

It is an arithmetic number, because the mean of its divisors is an integer number (16243624872).

Almost surely, 2^162420020745 is an apocalyptic number.

162420020745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

162420020745 is a deficient number, since it is larger than the sum of its proper divisors (97477977207).

162420020745 is a wasteful number, since it uses less digits than its factorization.

162420020745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081872.

The product of its (nonzero) digits is 26880, while the sum is 33.

The spelling of 162420020745 in words is "one hundred sixty-two billion, four hundred twenty million, twenty thousand, seven hundred forty-five".