162523435481 has 4 divisors (see below), whose sum is σ = 177298293264. Its totient is φ = 147748577700.

The previous prime is 162523435457. The next prime is 162523435499. The reversal of 162523435481 is 184534325261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162523435481 is a prime.

It is a super-2 number, since 2×162523435481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162523455481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7387428875 + ... + 7387428896.

It is an arithmetic number, because the mean of its divisors is an integer number (44324573316).

Almost surely, 2^162523435481 is an apocalyptic number.

162523435481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

162523435481 is a deficient number, since it is larger than the sum of its proper divisors (14774857783).

162523435481 is a wasteful number, since it uses less digits than its factorization.

162523435481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14774857782.

The product of its digits is 691200, while the sum is 44.

The spelling of 162523435481 in words is "one hundred sixty-two billion, five hundred twenty-three million, four hundred thirty-five thousand, four hundred eighty-one".