161223226363 has 8 divisors (see below), whose sum is σ = 164636152560. Its totient is φ = 157832977920.

The previous prime is 161223226309. The next prime is 161223226369. The reversal of 161223226363 is 363622322161.

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 161223226363 - 2¹³ = 161223218171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161223226369) 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, 5655070 + ... + 5683507.

It is an arithmetic number, because the mean of its divisors is an integer number (20579519070).

Almost surely, 2^161223226363 is an apocalyptic number.

161223226363 is a deficient number, since it is larger than the sum of its proper divisors (3412926197).

161223226363 is a wasteful number, since it uses less digits than its factorization.

161223226363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11338877.

The product of its digits is 93312, while the sum is 37.

The spelling of 161223226363 in words is "one hundred sixty-one billion, two hundred twenty-three million, two hundred twenty-six thousand, three hundred sixty-three".