70666891296 has 24 divisors (see below), whose sum is σ = 185500589904. Its totient is φ = 23555630400.

The previous prime is 70666891283. The next prime is 70666891343. The reversal of 70666891296 is 69219866607.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368056630 + ... + 368056821.

It is an arithmetic number, because the mean of its divisors is an integer number (7729191246).

Almost surely, 2^70666891296 is an apocalyptic number.

It is an amenable number.

70666891296 is an abundant number, since it is smaller than the sum of its proper divisors (114833698608).

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

70666891296 is a wasteful number, since it uses less digits than its factorization.

70666891296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736113464 (or 736113456 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 60.

The spelling of 70666891296 in words is "seventy billion, six hundred sixty-six million, eight hundred ninety-one thousand, two hundred ninety-six".