70551643768 has 16 divisors (see below), whose sum is σ = 132295360680. Its totient is φ = 35272880928.

The previous prime is 70551643711. The next prime is 70551643777. The reversal of 70551643768 is 86734615507.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 263946 + ... + 459097.

Almost surely, 2^70551643768 is an apocalyptic number.

It is an amenable number.

70551643768 is a deficient number, since it is larger than the sum of its proper divisors (61743716912).

70551643768 is a wasteful number, since it uses less digits than its factorization.

70551643768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735246 (or 735242 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 70551643768 in words is "seventy billion, five hundred fifty-one million, six hundred forty-three thousand, seven hundred sixty-eight".