70666601836 has 12 divisors (see below), whose sum is σ = 123680879280. Its totient is φ = 35329207760.

The previous prime is 70666601833. The next prime is 70666601857. The reversal of 70666601836 is 63810666607.

It is a self number, because there is not a number n which added to its sum of digits gives 70666601836.

It is not an unprimeable number, because it can be changed into a prime (70666601833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 984280 + ... + 1053631.

It is an arithmetic number, because the mean of its divisors is an integer number (10306739940).

Almost surely, 2^70666601836 is an apocalyptic number.

It is an amenable number.

70666601836 is a deficient number, since it is larger than the sum of its proper divisors (53014277444).

70666601836 is a wasteful number, since it uses less digits than its factorization.

70666601836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046584 (or 2046582 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 70666601836 in words is "seventy billion, six hundred sixty-six million, six hundred one thousand, eight hundred thirty-six".