232166169 has 15 divisors (see below), whose sum is σ = 347021103. Its totient is φ = 154686024.

The previous prime is 232166167. The next prime is 232166171. The reversal of 232166169 is 961661232.

It is a happy number.

The square root of 232166169 is 15237.

It is a perfect power (a square), and thus also a powerful number.

232166169 is a `hidden beast` number, since 2 + 32 + 1 + 6 + 616 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (232166167) and next prime (232166171).

It can be written as a sum of positive squares in only one way, i.e., 88454025 + 143712144 = 9405^2 + 11988^2 .

It is not a de Polignac number, because 232166169 - 2¹ = 232166167 is a prime.

It is a super-2 number, since 2×232166169² = 107802260056273122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (232166167) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 136287 + ... + 137979.

Almost surely, 2^232166169 is an apocalyptic number.

232166169 is the 15237-th square number.

232166169 is the 7619-th centered octagonal number.

It is an amenable number.

232166169 is a deficient number, since it is larger than the sum of its proper divisors (114854934).

232166169 is an frugal number, since it uses more digits than its factorization.

232166169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398 (or 1696 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The cubic root of 232166169 is about 614.6100323717.

Multiplying 232166169 by its sum of digits (36), we get a square (8357982084 = 91422²).

The spelling of 232166169 in words is "two hundred thirty-two million, one hundred sixty-six thousand, one hundred sixty-nine".