66210150006 has 128 divisors (see below), whose sum is σ = 197550259200. Its totient is φ = 15874548480.

The previous prime is 66210150001. The next prime is 66210150007. The reversal of 66210150006 is 60005101266.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66210150001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 558391 + ... + 666498.

It is an arithmetic number, because the mean of its divisors is an integer number (1543361400).

Almost surely, 2^66210150006 is an apocalyptic number.

66210150006 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

66210150006 is an abundant number, since it is smaller than the sum of its proper divisors (131340109194).

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

66210150006 is a wasteful number, since it uses less digits than its factorization.

66210150006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224931 (or 1224925 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 66210150006 in words is "sixty-six billion, two hundred ten million, one hundred fifty thousand, six".