166652231 has 8 divisors (see below), whose sum is σ = 168222000. Its totient is φ = 165090240.

The previous prime is 166652209. The next prime is 166652237. The reversal of 166652231 is 132256661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166652231 is a prime.

It is a super-2 number, since 2×166652231² = 55545932194554722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166652237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46595 + ... + 50043.

It is an arithmetic number, because the mean of its divisors is an integer number (21027750).

Almost surely, 2^166652231 is an apocalyptic number.

166652231 is a deficient number, since it is larger than the sum of its proper divisors (1569769).

166652231 is a wasteful number, since it uses less digits than its factorization.

166652231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3889.

The product of its digits is 12960, while the sum is 32.

The square root of 166652231 is about 12909.3853842853. The cubic root of 166652231 is about 550.3053191833.

The spelling of 166652231 in words is "one hundred sixty-six million, six hundred fifty-two thousand, two hundred thirty-one".