66446058 has 24 divisors (see below), whose sum is σ = 154589472. Its totient is φ = 18984504.

The previous prime is 66446033. The next prime is 66446069. The reversal of 66446058 is 85064466.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 112710 + ... + 113297.

It is an arithmetic number, because the mean of its divisors is an integer number (6441228).

Almost surely, 2^66446058 is an apocalyptic number.

66446058 is an abundant number, since it is smaller than the sum of its proper divisors (88143414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66446058 is a wasteful number, since it uses less digits than its factorization.

66446058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226026 (or 226019 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 66446058 is about 8151.4451479477. The cubic root of 66446058 is about 405.0323766222.

The spelling of 66446058 in words is "sixty-six million, four hundred forty-six thousand, fifty-eight".