165353142436 has 12 divisors (see below), whose sum is σ = 294827773212. Its totient is φ = 81116635808.

The previous prime is 165353142379. The next prime is 165353142439. The reversal of 165353142436 is 634241353561.

It can be written as a sum of positive squares in 2 ways, for example, as 141015270400 + 24337872036 = 375520^2 + 156006^2 .

It is a super-3 number, since 3×165353142436³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 165353142392 and 165353142401.

It is not an unprimeable number, because it can be changed into a prime (165353142439) 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, 389983615 + ... + 389984038.

It is an arithmetic number, because the mean of its divisors is an integer number (24568981101).

Almost surely, 2^165353142436 is an apocalyptic number.

It is an amenable number.

165353142436 is a deficient number, since it is larger than the sum of its proper divisors (129474630776).

165353142436 is a wasteful number, since it uses less digits than its factorization.

165353142436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779967710 (or 779967708 counting only the distinct ones).

The product of its digits is 777600, while the sum is 43.

Adding to 165353142436 its reverse (634241353561), we get a palindrome (799594495997).

The spelling of 165353142436 in words is "one hundred sixty-five billion, three hundred fifty-three million, one hundred forty-two thousand, four hundred thirty-six".