9970910066 has 8 divisors (see below), whose sum is σ = 16106854764. Its totient is φ = 4601958480.

The previous prime is 9970909979. The next prime is 9970910077. The reversal of 9970910066 is 6600190799.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7051128841 + 2919781225 = 83971^2 + 54035^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 9970910066.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191748245 + ... + 191748296.

Almost surely, 2^9970910066 is an apocalyptic number.

9970910066 is a deficient number, since it is larger than the sum of its proper divisors (6135944698).

9970910066 is a wasteful number, since it uses less digits than its factorization.

9970910066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383496556.

The product of its (nonzero) digits is 183708, while the sum is 47.

The square root of 9970910066 is about 99854.4443978334. Note that the first 3 decimals coincide. The cubic root of 9970910066 is about 2152.3435822816.

The spelling of 9970910066 in words is "nine billion, nine hundred seventy million, nine hundred ten thousand, sixty-six".