70221572116 has 6 divisors (see below), whose sum is σ = 122887751210. Its totient is φ = 35110786056.

The previous prime is 70221572081. The next prime is 70221572153. The reversal of 70221572116 is 61127512207.

It can be written as a sum of positive squares in only one way, i.e., 57417744400 + 12803827716 = 239620^2 + 113154^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 8777696511 + ... + 8777696518.

Almost surely, 2^70221572116 is an apocalyptic number.

It is an amenable number.

70221572116 is a deficient number, since it is larger than the sum of its proper divisors (52666179094).

70221572116 is a wasteful number, since it uses less digits than its factorization.

70221572116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17555393033 (or 17555393031 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 34.

The spelling of 70221572116 in words is "seventy billion, two hundred twenty-one million, five hundred seventy-two thousand, one hundred sixteen".