66348630 has 24 divisors (see below), whose sum is σ = 172506672. Its totient is φ = 17692944.

The previous prime is 66348593. The next prime is 66348641. The reversal of 66348630 is 3684366.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 368514 + ... + 368693.

It is an arithmetic number, because the mean of its divisors is an integer number (7187778).

Almost surely, 2^66348630 is an apocalyptic number.

66348630 is an abundant number, since it is smaller than the sum of its proper divisors (106158042).

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

66348630 is a wasteful number, since it uses less digits than its factorization.

66348630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737220 (or 737217 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 66348630 is about 8145.4668374501. The cubic root of 66348630 is about 404.8343172318.

The spelling of 66348630 in words is "sixty-six million, three hundred forty-eight thousand, six hundred thirty".