166232575 has 12 divisors (see below), whose sum is σ = 206870688. Its totient is φ = 132507200.

The previous prime is 166232557. The next prime is 166232593. The reversal of 166232575 is 575232661.

It is an interprime number because it is at equal distance from previous prime (166232557) and next prime (166232593).

It is not a de Polignac number, because 166232575 - 2⁵ = 166232543 is a prime.

It is a super-2 number, since 2×166232575² = 55266537982261250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 4807 + ... + 18856.

It is an arithmetic number, because the mean of its divisors is an integer number (17239224).

Almost surely, 2^166232575 is an apocalyptic number.

166232575 is a deficient number, since it is larger than the sum of its proper divisors (40638113).

166232575 is a wasteful number, since it uses less digits than its factorization.

166232575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23954 (or 23949 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The square root of 166232575 is about 12893.1212280037. The cubic root of 166232575 is about 549.8430130466.

The spelling of 166232575 in words is "one hundred sixty-six million, two hundred thirty-two thousand, five hundred seventy-five".