162173513320 has 64 divisors (see below), whose sum is σ = 449095893120. Its totient is φ = 51325242624.

The previous prime is 162173513269. The next prime is 162173513351. The reversal of 162173513320 is 23315371261.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22272942 + ... + 22280221.

It is an arithmetic number, because the mean of its divisors is an integer number (7017123330).

Almost surely, 2^162173513320 is an apocalyptic number.

162173513320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162173513320 is an abundant number, since it is smaller than the sum of its proper divisors (286922379800).

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

162173513320 is a wasteful number, since it uses less digits than its factorization.

162173513320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44553194 (or 44553190 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

Adding to 162173513320 its reverse (23315371261), we get a palindrome (185488884581).

The spelling of 162173513320 in words is "one hundred sixty-two billion, one hundred seventy-three million, five hundred thirteen thousand, three hundred twenty".