162421640611 has 4 divisors (see below), whose sum is σ = 164709269424. Its totient is φ = 160134011800.

The previous prime is 162421640599. The next prime is 162421640639. The reversal of 162421640611 is 116046124261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 116046124261 = 2357 ⋅49234673.

It is a cyclic number.

It is not a de Polignac number, because 162421640611 - 2⁹ = 162421640099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162421641611) 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, 1143814300 + ... + 1143814441.

It is an arithmetic number, because the mean of its divisors is an integer number (41177317356).

Almost surely, 2^162421640611 is an apocalyptic number.

162421640611 is a deficient number, since it is larger than the sum of its proper divisors (2287628813).

162421640611 is an equidigital number, since it uses as much as digits as its factorization.

162421640611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287628812.

The product of its (nonzero) digits is 13824, while the sum is 34.

Adding to 162421640611 its reverse (116046124261), we get a palindrome (278467764872).

The spelling of 162421640611 in words is "one hundred sixty-two billion, four hundred twenty-one million, six hundred forty thousand, six hundred eleven".