166244753 has 4 divisors (see below), whose sum is σ = 166356288. Its totient is φ = 166133220.

The previous prime is 166244747. The next prime is 166244773. The reversal of 166244753 is 357442661.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 166244753 - 2⁸ = 166244497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166244773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53501 + ... + 56522.

It is an arithmetic number, because the mean of its divisors is an integer number (41589072).

Almost surely, 2^166244753 is an apocalyptic number.

It is an amenable number.

166244753 is a deficient number, since it is larger than the sum of its proper divisors (111535).

166244753 is a wasteful number, since it uses less digits than its factorization.

166244753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111534.

The product of its digits is 120960, while the sum is 38.

The square root of 166244753 is about 12893.5934866894. The cubic root of 166244753 is about 549.8564396663.

The spelling of 166244753 in words is "one hundred sixty-six million, two hundred forty-four thousand, seven hundred fifty-three".