70861988416 has 28 divisors (see below), whose sum is σ = 140625210240. Its totient is φ = 35428864640.

The previous prime is 70861988387. The next prime is 70861988419. The reversal of 70861988416 is 61488916807.

It is not an unprimeable number, because it can be changed into a prime (70861988419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2107545 + ... + 2140903.

Almost surely, 2^70861988416 is an apocalyptic number.

It is an amenable number.

70861988416 is a deficient number, since it is larger than the sum of its proper divisors (69763221824).

70861988416 is a wasteful number, since it uses less digits than its factorization.

70861988416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66562 (or 66552 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 58.

The spelling of 70861988416 in words is "seventy billion, eight hundred sixty-one million, nine hundred eighty-eight thousand, four hundred sixteen".