162404661439 has 4 divisors (see below), whose sum is σ = 165067033000. Its totient is φ = 159742289880.

The previous prime is 162404661427. The next prime is 162404661481. The reversal of 162404661439 is 934166404261.

162404661439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 934166404261 = 199 ⋅4694303539.

It is a cyclic number.

It is not a de Polignac number, because 162404661439 - 2¹³ = 162404653247 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 (162404662439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1331185689 + ... + 1331185810.

It is an arithmetic number, because the mean of its divisors is an integer number (41266758250).

Almost surely, 2^162404661439 is an apocalyptic number.

162404661439 is a deficient number, since it is larger than the sum of its proper divisors (2662371561).

162404661439 is an equidigital number, since it uses as much as digits as its factorization.

162404661439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662371560.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 162404661439 in words is "one hundred sixty-two billion, four hundred four million, six hundred sixty-one thousand, four hundred thirty-nine".