162521413147 has 4 divisors (see below), whose sum is σ = 162522389736. Its totient is φ = 162520436560.

The previous prime is 162521413133. The next prime is 162521413213. The reversal of 162521413147 is 741314125261.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 162521413147 - 2¹¹ = 162521411099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162521413127) 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, 169129 + ... + 594682.

It is an arithmetic number, because the mean of its divisors is an integer number (40630597434).

Almost surely, 2^162521413147 is an apocalyptic number.

162521413147 is a deficient number, since it is larger than the sum of its proper divisors (976589).

162521413147 is an equidigital number, since it uses as much as digits as its factorization.

162521413147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976588.

The product of its digits is 40320, while the sum is 37.

It can be divided in two parts, 1625214 and 13147, that added together give a palindrome (1638361).

The spelling of 162521413147 in words is "one hundred sixty-two billion, five hundred twenty-one million, four hundred thirteen thousand, one hundred forty-seven".