66530588419 has 16 divisors (see below), whose sum is σ = 67995648000. Its totient is φ = 65080217664.

The previous prime is 66530588393. The next prime is 66530588437. The reversal of 66530588419 is 91488503566.

It is a cyclic number.

It is not a de Polignac number, because 66530588419 - 2¹⁷ = 66530457347 is a prime.

It is a super-2 number, since 2×66530588419² (a number of 22 digits) contains 22 as substring.

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 66530588419.

It is not an unprimeable number, because it can be changed into a prime (66530528419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14308407 + ... + 14313055.

It is an arithmetic number, because the mean of its divisors is an integer number (4249728000).

Almost surely, 2^66530588419 is an apocalyptic number.

66530588419 is a deficient number, since it is larger than the sum of its proper divisors (1465059581).

66530588419 is a wasteful number, since it uses less digits than its factorization.

66530588419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6162.

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 66530588419 in words is "sixty-six billion, five hundred thirty million, five hundred eighty-eight thousand, four hundred nineteen".