70657007616 has 280 divisors, whose sum is σ = 227350953984. Its totient is φ = 21737963520.

The previous prime is 70657007593. The next prime is 70657007621. The reversal of 70657007616 is 61670075607.

70657007616 is a `hidden beast` number, since 7 + 0 + 6 + 570 + 0 + 76 + 1 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8622081 + ... + 8630271.

Almost surely, 2^70657007616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70657007616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113675476992).

70657007616 is an abundant number, since it is smaller than the sum of its proper divisors (156693946368).

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

70657007616 is an equidigital number, since it uses as much as digits as its factorization.

70657007616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8242 (or 8209 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The spelling of 70657007616 in words is "seventy billion, six hundred fifty-seven million, seven thousand, six hundred sixteen".