70666511163 has 32 divisors (see below), whose sum is σ = 100519272000. Its totient is φ = 44078899200.

The previous prime is 70666511119. The next prime is 70666511203. The reversal of 70666511163 is 36111566607.

It is a happy number.

It is not a de Polignac number, because 70666511163 - 2⁶ = 70666511099 is a prime.

It is a super-2 number, since 2×70666511163² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70666511263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 465003 + ... + 597963.

It is an arithmetic number, because the mean of its divisors is an integer number (3141227250).

Almost surely, 2^70666511163 is an apocalyptic number.

70666511163 is a deficient number, since it is larger than the sum of its proper divisors (29852760837).

70666511163 is a wasteful number, since it uses less digits than its factorization.

70666511163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133183.

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 70666511163 in words is "seventy billion, six hundred sixty-six million, five hundred eleven thousand, one hundred sixty-three".