166800153 has 8 divisors (see below), whose sum is σ = 239507968. Its totient is φ = 102646224.

The previous prime is 166800143. The next prime is 166800167. The reversal of 166800153 is 351008661.

166800153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 166800153 - 2¹⁷ = 166669081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 166800153.

It is not an unprimeable number, because it can be changed into a prime (166800113) 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, 2138425 + ... + 2138502.

It is an arithmetic number, because the mean of its divisors is an integer number (29938496).

Almost surely, 2^166800153 is an apocalyptic number.

166800153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

166800153 is a deficient number, since it is larger than the sum of its proper divisors (72707815).

166800153 is a wasteful number, since it uses less digits than its factorization.

166800153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4276943.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 166800153 is about 12915.1133560647. The cubic root of 166800153 is about 550.4680896632.

The spelling of 166800153 in words is "one hundred sixty-six million, eight hundred thousand, one hundred fifty-three".