70368645632 has 160 divisors (see below), whose sum is σ = 157187796480. Its totient is φ = 31275417600.

The previous prime is 70368645617. The next prime is 70368645643. The reversal of 70368645632 is 23654686307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100382882 + ... + 100383582.

It is an arithmetic number, because the mean of its divisors is an integer number (982423728).

Almost surely, 2^70368645632 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 70368645632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78593898240).

70368645632 is an abundant number, since it is smaller than the sum of its proper divisors (86819150848).

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

70368645632 is a wasteful number, since it uses less digits than its factorization.

70368645632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362 (or 1346 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 70368645632 in words is "seventy billion, three hundred sixty-eight million, six hundred forty-five thousand, six hundred thirty-two".