166052919 has 8 divisors (see below), whose sum is σ = 225033712. Its totient is φ = 108887040.

The previous prime is 166052903. The next prime is 166052921. The reversal of 166052919 is 919250661.

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

It is not a de Polignac number, because 166052919 - 2⁴ = 166052903 is a prime.

It is a super-2 number, since 2×166052919² = 55147143816841122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166052969) 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, 453514 + ... + 453879.

It is an arithmetic number, because the mean of its divisors is an integer number (28129214).

Almost surely, 2^166052919 is an apocalyptic number.

166052919 is a deficient number, since it is larger than the sum of its proper divisors (58980793).

166052919 is an equidigital number, since it uses as much as digits as its factorization.

166052919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907457.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 166052919 is about 12886.1522185639. The cubic root of 166052919 is about 549.6448605401.

The spelling of 166052919 in words is "one hundred sixty-six million, fifty-two thousand, nine hundred nineteen".