70662216771 has 12 divisors (see below), whose sum is σ = 102079522272. Its totient is φ = 47102663376.

The previous prime is 70662216763. The next prime is 70662216773. The reversal of 70662216771 is 17761226607.

70662216771 is a `hidden beast` number, since 7 + 0 + 6 + 622 + 16 + 7 + 7 + 1 = 666.

It is not a de Polignac number, because 70662216771 - 2³ = 70662216763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70662216773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 374331 + ... + 530516.

It is an arithmetic number, because the mean of its divisors is an integer number (8506626856).

Almost surely, 2^70662216771 is an apocalyptic number.

70662216771 is a deficient number, since it is larger than the sum of its proper divisors (31417305501).

70662216771 is a wasteful number, since it uses less digits than its factorization.

70662216771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913530 (or 913527 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The spelling of 70662216771 in words is "seventy billion, six hundred sixty-two million, two hundred sixteen thousand, seven hundred seventy-one".