70648216554432 has 224 divisors, whose sum is σ = 207423771770880. Its totient is φ = 21042757831680.

The previous prime is 70648216554431. The next prime is 70648216554449. The reversal of 70648216554432 is 23445561284607.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70648216554431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36257713 + ... + 38156495.

It is an arithmetic number, because the mean of its divisors is an integer number (925998981120).

Almost surely, 2^{70648216554432} 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 70648216554432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103711885885440).

70648216554432 is an abundant number, since it is smaller than the sum of its proper divisors (136775555216448).

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

70648216554432 is a wasteful number, since it uses less digits than its factorization.

70648216554432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899111 (or 1899101 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 57.

The spelling of 70648216554432 in words is "seventy trillion, six hundred forty-eight billion, two hundred sixteen million, five hundred fifty-four thousand, four hundred thirty-two".