223172899366 has 16 divisors (see below), whose sum is σ = 352078005888. Its totient is φ = 105949396800.

The previous prime is 223172899277. The next prime is 223172899423. The reversal of 223172899366 is 663998271322.

It is a super-3 number, since 3×223172899366³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 223172899366.

It is a congruent 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, 33954855 + ... + 33961426.

It is an arithmetic number, because the mean of its divisors is an integer number (22004875368).

Almost surely, 2^223172899366 is an apocalyptic number.

223172899366 is a deficient number, since it is larger than the sum of its proper divisors (128905106522).

223172899366 is a wasteful number, since it uses less digits than its factorization.

223172899366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67916367.

The product of its digits is 11757312, while the sum is 58.

The spelling of 223172899366 in words is "two hundred twenty-three billion, one hundred seventy-two million, eight hundred ninety-nine thousand, three hundred sixty-six".