70021646770896 has 320 divisors, whose sum is σ = 220185419731200. Its totient is φ = 21206582820864.

The previous prime is 70021646770819. The next prime is 70021646770897. The reversal of 70021646770896 is 69807764612007.

70021646770896 is a `hidden beast` number, since 7 + 0 + 0 + 2 + 16 + 467 + 70 + 8 + 96 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70021646770897) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1485909991 + ... + 1485957113.

It is an arithmetic number, because the mean of its divisors is an integer number (688079436660).

Almost surely, 2^{70021646770896} 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 70021646770896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110092709865600).

70021646770896 is an abundant number, since it is smaller than the sum of its proper divisors (150163772960304).

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

70021646770896 is a wasteful number, since it uses less digits than its factorization.

70021646770896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54163 (or 54151 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 63.

The spelling of 70021646770896 in words is "seventy trillion, twenty-one billion, six hundred forty-six million, seven hundred seventy thousand, eight hundred ninety-six".