70666394148 has 108 divisors (see below), whose sum is σ = 211430302720. Its totient is φ = 19494119232.

The previous prime is 70666394107. The next prime is 70666394153. The reversal of 70666394148 is 84149366607.

It is a junction number, because it is equal to n+sod(n) for n = 70666394094 and 70666394103.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 45213 + ... + 378651.

Almost surely, 2^70666394148 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 70666394148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105715151360).

70666394148 is an abundant number, since it is smaller than the sum of its proper divisors (140763908572).

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

70666394148 is a wasteful number, since it uses less digits than its factorization.

70666394148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333514 (or 333480 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 70666394148 in words is "seventy billion, six hundred sixty-six million, three hundred ninety-four thousand, one hundred forty-eight".