166751053 has 8 divisors (see below), whose sum is σ = 193183808. Its totient is φ = 140971104.

The previous prime is 166751021. The next prime is 166751083. The reversal of 166751053 is 350157661.

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 166751053 - 2⁵ = 166751021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166751083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162651 + ... + 163672.

It is an arithmetic number, because the mean of its divisors is an integer number (24147976).

Almost surely, 2^166751053 is an apocalyptic number.

It is an amenable number.

166751053 is a deficient number, since it is larger than the sum of its proper divisors (26432755).

166751053 is an equidigital number, since it uses as much as digits as its factorization.

166751053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326403.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 166751053 is about 12913.2123424034. The cubic root of 166751053 is about 550.4140716559.

The spelling of 166751053 in words is "one hundred sixty-six million, seven hundred fifty-one thousand, fifty-three".