70166833728 has 56 divisors (see below), whose sum is σ = 185696766528. Its totient is φ = 23383021056.

The previous prime is 70166833721. The next prime is 70166833777. The reversal of 70166833728 is 82733866107.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (70166833721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749325 + ... + 837747.

It is an arithmetic number, because the mean of its divisors is an integer number (3316013688).

Almost surely, 2^70166833728 is an apocalyptic number.

It is an amenable number.

70166833728 is an abundant number, since it is smaller than the sum of its proper divisors (115529932800).

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

70166833728 is a wasteful number, since it uses less digits than its factorization.

70166833728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92571 (or 92561 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 70166833728 in words is "seventy billion, one hundred sixty-six million, eight hundred thirty-three thousand, seven hundred twenty-eight".