162381542305 has 8 divisors (see below), whose sum is σ = 198534414312. Its totient is φ = 127454191488.

The previous prime is 162381542251. The next prime is 162381542347. The reversal of 162381542305 is 503245183261.

It can be written as a sum of positive squares in 4 ways, for example, as 40020802704 + 122360739601 = 200052^2 + 349801^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 162381542305 - 2¹¹ = 162381540257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306380004 + ... + 306380533.

It is an arithmetic number, because the mean of its divisors is an integer number (24816801789).

Almost surely, 2^162381542305 is an apocalyptic number.

It is an amenable number.

162381542305 is a deficient number, since it is larger than the sum of its proper divisors (36152872007).

162381542305 is an equidigital number, since it uses as much as digits as its factorization.

162381542305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612760595.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 162381542305 in words is "one hundred sixty-two billion, three hundred eighty-one million, five hundred forty-two thousand, three hundred five".