162553257471 has 24 divisors (see below), whose sum is σ = 244671053872. Its totient is φ = 95854492800.

The previous prime is 162553257467. The next prime is 162553257481. The reversal of 162553257471 is 174752355261.

It is not a de Polignac number, because 162553257471 - 2² = 162553257467 is a prime.

It is a super-3 number, since 3×162553257471³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 162553257471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162553257421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6037990 + ... + 6064851.

Almost surely, 2^162553257471 is an apocalyptic number.

162553257471 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

162553257471 is a deficient number, since it is larger than the sum of its proper divisors (82117796401).

162553257471 is a wasteful number, since it uses less digits than its factorization.

162553257471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12102903 (or 12102892 counting only the distinct ones).

The product of its digits is 1764000, while the sum is 48.

It can be divided in two parts, 162553 and 257471, that added together give a palindrome (420024).

The spelling of 162553257471 in words is "one hundred sixty-two billion, five hundred fifty-three million, two hundred fifty-seven thousand, four hundred seventy-one".