162545021501 has 16 divisors (see below), whose sum is σ = 172533473280. Its totient is φ = 152604337920.

The previous prime is 162545021491. The next prime is 162545021519. The reversal of 162545021501 is 105120545261.

It is not a de Polignac number, because 162545021501 - 2⁶ = 162545021437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162545021531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23247116 + ... + 23254106.

It is an arithmetic number, because the mean of its divisors is an integer number (10783342080).

Almost surely, 2^162545021501 is an apocalyptic number.

It is an amenable number.

162545021501 is a deficient number, since it is larger than the sum of its proper divisors (9988451779).

162545021501 is a wasteful number, since it uses less digits than its factorization.

162545021501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10204.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 162545021501 its reverse (105120545261), we get a palindrome (267665566762).

The spelling of 162545021501 in words is "one hundred sixty-two billion, five hundred forty-five million, twenty-one thousand, five hundred one".