166200545 has 8 divisors (see below), whose sum is σ = 227932224. Its totient is φ = 113966064.

The previous prime is 166200533. The next prime is 166200569. The reversal of 166200545 is 545002661.

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

It is a cyclic number.

It is not a de Polignac number, because 166200545 - 2⁶ = 166200481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2374259 + ... + 2374328.

It is an arithmetic number, because the mean of its divisors is an integer number (28491528).

Almost surely, 2^166200545 is an apocalyptic number.

It is an amenable number.

166200545 is a deficient number, since it is larger than the sum of its proper divisors (61731679).

166200545 is an equidigital number, since it uses as much as digits as its factorization.

166200545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4748599.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 166200545 is about 12891.8790329416. The cubic root of 166200545 is about 549.8076958553.

The spelling of 166200545 in words is "one hundred sixty-six million, two hundred thousand, five hundred forty-five".