162641313331 has 32 divisors (see below), whose sum is σ = 189716567040. Its totient is φ = 136563912576.

The previous prime is 162641313323. The next prime is 162641313347. The reversal of 162641313331 is 133313146261.

It is not a de Polignac number, because 162641313331 - 2³ = 162641313323 is a prime.

It is a super-2 number, since 2×162641313331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (162641313361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25421425 + ... + 25427821.

It is an arithmetic number, because the mean of its divisors is an integer number (5928642720).

Almost surely, 2^162641313331 is an apocalyptic number.

162641313331 is a deficient number, since it is larger than the sum of its proper divisors (27075253709).

162641313331 is a wasteful number, since it uses less digits than its factorization.

162641313331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6883.

The product of its digits is 23328, while the sum is 34.

Adding to 162641313331 its reverse (133313146261), we get a palindrome (295954459592).

The spelling of 162641313331 in words is "one hundred sixty-two billion, six hundred forty-one million, three hundred thirteen thousand, three hundred thirty-one".