70818191000 has 64 divisors (see below), whose sum is σ = 166207092480. Its totient is φ = 28243084800.

The previous prime is 70818190981. The next prime is 70818191021. The reversal of 70818191000 is 19181807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231929 + ... + 442071.

It is an arithmetic number, because the mean of its divisors is an integer number (2596985820).

Almost surely, 2^70818191000 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 70818191000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83103546240).

70818191000 is an abundant number, since it is smaller than the sum of its proper divisors (95388901480).

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

70818191000 is a wasteful number, since it uses less digits than its factorization.

70818191000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210501 (or 210487 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 35.

The spelling of 70818191000 in words is "seventy billion, eight hundred eighteen million, one hundred ninety-one thousand".