162532705421 has 8 divisors (see below), whose sum is σ = 169346906400. Its totient is φ = 155799146160.

The previous prime is 162532705399. The next prime is 162532705427. The reversal of 162532705421 is 124507235261.

162532705421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162532705421 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 (162532705427) 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 7 ways as a sum of consecutive naturals, for example, 20156315 + ... + 20164376.

It is an arithmetic number, because the mean of its divisors is an integer number (21168363300).

Almost surely, 2^162532705421 is an apocalyptic number.

It is an amenable number.

162532705421 is a deficient number, since it is larger than the sum of its proper divisors (6814200979).

162532705421 is a wasteful number, since it uses less digits than its factorization.

162532705421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40320859.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 162532705421 in words is "one hundred sixty-two billion, five hundred thirty-two million, seven hundred five thousand, four hundred twenty-one".