70266020065 has 16 divisors (see below), whose sum is σ = 85360379328. Its totient is φ = 55519114176.

The previous prime is 70266020057. The next prime is 70266020081. The reversal of 70266020065 is 56002066207.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 70266020065 - 2³ = 70266020057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70266020065.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1488607 + ... + 1535083.

It is an arithmetic number, because the mean of its divisors is an integer number (5335023708).

Almost surely, 2^70266020065 is an apocalyptic number.

It is an amenable number.

70266020065 is a deficient number, since it is larger than the sum of its proper divisors (15094359263).

70266020065 is a wasteful number, since it uses less digits than its factorization.

70266020065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50208.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 70266020065 in words is "seventy billion, two hundred sixty-six million, twenty thousand, sixty-five".