66670662 has 8 divisors (see below), whose sum is σ = 133341336. Its totient is φ = 22223552.

The previous prime is 66670657. The next prime is 66670673. The reversal of 66670662 is 26607666.

66670662 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.

66670662 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 66670662.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5555883 + ... + 5555894.

It is an arithmetic number, because the mean of its divisors is an integer number (16667667).

Almost surely, 2^66670662 is an apocalyptic number.

66670662 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.

66670662 is a wasteful number, since it uses less digits than its factorization.

66670662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11111782.

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 66670662 is about 8165.2104688122. The cubic root of 66670662 is about 405.4882330179.

The spelling of 66670662 in words is "sixty-six million, six hundred seventy thousand, six hundred sixty-two".