166651053 has 8 divisors (see below), whose sum is σ = 225014400. Its totient is φ = 109694208.

The previous prime is 166651007. The next prime is 166651057. The reversal of 166651053 is 350156661.

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

It is not a de Polignac number, because 166651053 - 2¹² = 166646957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166651057) 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, 351348 + ... + 351821.

It is an arithmetic number, because the mean of its divisors is an integer number (28126800).

Almost surely, 2^166651053 is an apocalyptic number.

It is an amenable number.

166651053 is a deficient number, since it is larger than the sum of its proper divisors (58363347).

166651053 is an equidigital number, since it uses as much as digits as its factorization.

166651053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703251.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 166651053 is about 12909.3397584849. The cubic root of 166651053 is about 550.3040225486.

The spelling of 166651053 in words is "one hundred sixty-six million, six hundred fifty-one thousand, fifty-three".