7021010206066 has 8 divisors (see below), whose sum is σ = 10624714559964. Its totient is φ = 3479438686080.

The previous prime is 7021010206057. The next prime is 7021010206097. The reversal of 7021010206066 is 6606020101207.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6690908249041 + 330101957025 = 2586679^2 + 574545^2 .

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

It is a super-3 number, since 3×7021010206066³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15533208195 + ... + 15533208646.

Almost surely, 2^{7021010206066} is an apocalyptic number.

7021010206066 is a deficient number, since it is larger than the sum of its proper divisors (3603704353898).

7021010206066 is a wasteful number, since it uses less digits than its factorization.

7021010206066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31066416956.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 7021010206066 in words is "seven trillion, twenty-one billion, ten million, two hundred six thousand, sixty-six".