163622336231 has 4 divisors (see below), whose sum is σ = 165242359464. Its totient is φ = 162002313000.

The previous prime is 163622336123. The next prime is 163622336243. The reversal of 163622336231 is 132633226361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132633226361 = 101 ⋅1313200261.

It is a cyclic number.

It is not a de Polignac number, because 163622336231 - 2²² = 163618141927 is a prime.

It is a super-4 number, since 4×163622336231⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163622330231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810011465 + ... + 810011666.

It is an arithmetic number, because the mean of its divisors is an integer number (41310589866).

Almost surely, 2^163622336231 is an apocalyptic number.

163622336231 is a deficient number, since it is larger than the sum of its proper divisors (1620023233).

163622336231 is a wasteful number, since it uses less digits than its factorization.

163622336231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620023232.

The product of its digits is 139968, while the sum is 38.

The spelling of 163622336231 in words is "one hundred sixty-three billion, six hundred twenty-two million, three hundred thirty-six thousand, two hundred thirty-one".