70660065850 has 24 divisors (see below), whose sum is σ = 143375698368. Its totient is φ = 25694569200.

The previous prime is 70660065781. The next prime is 70660065869. The reversal of 70660065850 is 5856006607.

It is a junction number, because it is equal to n+sod(n) for n = 70660065797 and 70660065806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64235874 + ... + 64236973.

It is an arithmetic number, because the mean of its divisors is an integer number (5973987432).

Almost surely, 2^70660065850 is an apocalyptic number.

70660065850 is an abundant number, since it is smaller than the sum of its proper divisors (72715632518).

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

70660065850 is a wasteful number, since it uses less digits than its factorization.

70660065850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128472870 (or 128472865 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 70660065850 in words is "seventy billion, six hundred sixty million, sixty-five thousand, eight hundred fifty".