162023557217 has 8 divisors (see below), whose sum is σ = 170577976800. Its totient is φ = 153471824064.

The previous prime is 162023557193. The next prime is 162023557219. The reversal of 162023557217 is 712755320261.

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 162023557217 - 2¹² = 162023553121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162023557219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547208 + ... + 789609.

It is an arithmetic number, because the mean of its divisors is an integer number (21322247100).

Almost surely, 2^162023557217 is an apocalyptic number.

It is an amenable number.

162023557217 is a deficient number, since it is larger than the sum of its proper divisors (8554419583).

162023557217 is a wasteful number, since it uses less digits than its factorization.

162023557217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343215.

The product of its (nonzero) digits is 176400, while the sum is 41.

Adding to 162023557217 its reverse (712755320261), we get a palindrome (874778877478).

The spelling of 162023557217 in words is "one hundred sixty-two billion, twenty-three million, five hundred fifty-seven thousand, two hundred seventeen".