66630462 has 8 divisors (see below), whose sum is σ = 133260936. Its totient is φ = 22210152.

The previous prime is 66630427. The next prime is 66630467. The reversal of 66630462 is 26403666.

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

66630462 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66630467) 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 3 ways as a sum of consecutive naturals, for example, 5552533 + ... + 5552544.

It is an arithmetic number, because the mean of its divisors is an integer number (16657617).

Almost surely, 2^66630462 is an apocalyptic number.

66630462 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66630462 is a wasteful number, since it uses less digits than its factorization.

66630462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11105082.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 66630462 is about 8162.7484341979. The cubic root of 66630462 is about 405.4067183816.

The spelling of 66630462 in words is "sixty-six million, six hundred thirty thousand, four hundred sixty-two".