66270006 has 36 divisors (see below), whose sum is σ = 157830036. Its totient is φ = 20081160.

The previous prime is 66269999. The next prime is 66270011. The reversal of 66270006 is 60007266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13036 + ... + 17391.

Almost surely, 2^66270006 is an apocalyptic number.

66270006 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

66270006 is an abundant number, since it is smaller than the sum of its proper divisors (91560030).

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

66270006 is a wasteful number, since it uses less digits than its factorization.

66270006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30457 (or 30443 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 66270006 is about 8140.6391640952. The cubic root of 66270006 is about 404.6743426927.

It can be divided in two parts, 66 and 270006, that added together give a palindrome (270072).

The spelling of 66270006 in words is "sixty-six million, two hundred seventy thousand, six".