70611821368 has 64 divisors (see below), whose sum is σ = 150366261600. Its totient is φ = 30791953920.

The previous prime is 70611821323. The next prime is 70611821377. The reversal of 70611821368 is 86312811607.

It is a congruent number.

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, 312546 + ... + 488782.

Almost surely, 2^70611821368 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 70611821368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75183130800).

70611821368 is an abundant number, since it is smaller than the sum of its proper divisors (79754440232).

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

70611821368 is a wasteful number, since it uses less digits than its factorization.

70611821368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176440 (or 176436 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 70611821368 in words is "seventy billion, six hundred eleven million, eight hundred twenty-one thousand, three hundred sixty-eight".