66148419 has 8 divisors (see below), whose sum is σ = 88782592. Its totient is φ = 43806600.

The previous prime is 66148409. The next prime is 66148469. The reversal of 66148419 is 91484166.

66148419 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 66148419 - 2⁵ = 66148387 is a prime.

It is a super-2 number, since 2×66148419² = 8751226672399122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66148409) 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 7 ways as a sum of consecutive naturals, for example, 72559 + ... + 73464.

It is an arithmetic number, because the mean of its divisors is an integer number (11097824).

Almost surely, 2^66148419 is an apocalyptic number.

66148419 is a deficient number, since it is larger than the sum of its proper divisors (22634173).

66148419 is a wasteful number, since it uses less digits than its factorization.

66148419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146177.

The product of its digits is 41472, while the sum is 39.

The square root of 66148419 is about 8133.1678330156. The cubic root of 66148419 is about 404.4267029517.

The spelling of 66148419 in words is "sixty-six million, one hundred forty-eight thousand, four hundred nineteen".