162440612053 has 4 divisors (see below), whose sum is σ = 162449873388. Its totient is φ = 162431350720.

The previous prime is 162440612039. The next prime is 162440612111. The reversal of 162440612053 is 350216044261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 350216044261 = 661 ⋅529827601.

It can be written as a sum of positive squares in 2 ways, for example, as 93808663524 + 68631948529 = 306282^2 + 261977^2 .

It is a cyclic number.

It is not a de Polignac number, because 162440612053 - 2¹³ = 162440603861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162440612953) 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, 4604308 + ... + 4639453.

It is an arithmetic number, because the mean of its divisors is an integer number (40612468347).

Almost surely, 2^162440612053 is an apocalyptic number.

It is an amenable number.

162440612053 is a deficient number, since it is larger than the sum of its proper divisors (9261335).

162440612053 is an equidigital number, since it uses as much as digits as its factorization.

162440612053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9261334.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 162440612053 in words is "one hundred sixty-two billion, four hundred forty million, six hundred twelve thousand, fifty-three".