166233025 has 12 divisors (see below), whose sum is σ = 235576192. Its totient is φ = 113988240.

The previous prime is 166233007. The next prime is 166233047. The reversal of 166233025 is 520332661.

It is not a de Polignac number, because 166233025 - 2¹³ = 166224833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166232984 and 166233002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 474777 + ... + 475126.

Almost surely, 2^166233025 is an apocalyptic number.

It is an amenable number.

166233025 is a deficient number, since it is larger than the sum of its proper divisors (69343167).

166233025 is an equidigital number, since it uses as much as digits as its factorization.

166233025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949920 (or 949915 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 166233025 is about 12893.1386791580. The cubic root of 166233025 is about 549.8435091971.

Adding to 166233025 its reverse (520332661), we get a palindrome (686565686).

The spelling of 166233025 in words is "one hundred sixty-six million, two hundred thirty-three thousand, twenty-five".