22166150167172 has 24 divisors (see below), whose sum is σ = 42351076740000. Its totient is φ = 10067455906560.

The previous prime is 22166150167129. The next prime is 22166150167207. The reversal of 22166150167172 is 27176105166122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201616838 + ... + 201726749.

It is an arithmetic number, because the mean of its divisors is an integer number (1764628197500).

Almost surely, 2^{22166150167172} is an apocalyptic number.

22166150167172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22166150167172 is a deficient number, since it is larger than the sum of its proper divisors (20184926572828).

22166150167172 is a wasteful number, since it uses less digits than its factorization.

22166150167172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403344851 (or 403344849 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 47.

It can be divided in two parts, 22166150 and 167172, that added together give a palindrome (22333322).

The spelling of 22166150167172 in words is "twenty-two trillion, one hundred sixty-six billion, one hundred fifty million, one hundred sixty-seven thousand, one hundred seventy-two".