162465682821 has 16 divisors (see below), whose sum is σ = 233646899136. Its totient is φ = 99823378176.

The previous prime is 162465682811. The next prime is 162465682853. The reversal of 162465682821 is 128286564261.

It is a happy number.

It is not a de Polignac number, because 162465682821 - 2²⁶ = 162398573957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162465682811) 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, 3214260 + ... + 3264413.

It is an arithmetic number, because the mean of its divisors is an integer number (14602931196).

Almost surely, 2^162465682821 is an apocalyptic number.

It is an amenable number.

162465682821 is a deficient number, since it is larger than the sum of its proper divisors (71181216315).

162465682821 is a wasteful number, since it uses less digits than its factorization.

162465682821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6479332.

The product of its digits is 2211840, while the sum is 51.

The spelling of 162465682821 in words is "one hundred sixty-two billion, four hundred sixty-five million, six hundred eighty-two thousand, eight hundred twenty-one".