162203921879 has 16 divisors (see below), whose sum is σ = 165507323520. Its totient is φ = 158936394240.

The previous prime is 162203921837. The next prime is 162203921911. The reversal of 162203921879 is 978129302261.

It is a cyclic number.

It is not a de Polignac number, because 162203921879 - 2²⁰ = 162202873303 is a prime.

It is a super-2 number, since 2×162203921879² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162203921279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5563889 + ... + 5592965.

It is an arithmetic number, because the mean of its divisors is an integer number (10344207720).

Almost surely, 2^162203921879 is an apocalyptic number.

162203921879 is a deficient number, since it is larger than the sum of its proper divisors (3303401641).

162203921879 is a wasteful number, since it uses less digits than its factorization.

162203921879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29690.

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 162203921879 in words is "one hundred sixty-two billion, two hundred three million, nine hundred twenty-one thousand, eight hundred seventy-nine".