70666511161 has 8 divisors (see below), whose sum is σ = 73858495104. Its totient is φ = 67484487840.

The previous prime is 70666511119. The next prime is 70666511203. The reversal of 70666511161 is 16111566607.

It is an interprime number because it is at equal distance from previous prime (70666511119) and next prime (70666511203).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70666511161 - 2²⁵ = 70632956729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70666521161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2475645 + ... + 2504026.

It is an arithmetic number, because the mean of its divisors is an integer number (9232311888).

Almost surely, 2^70666511161 is an apocalyptic number.

It is an amenable number.

70666511161 is a deficient number, since it is larger than the sum of its proper divisors (3191983943).

70666511161 is a wasteful number, since it uses less digits than its factorization.

70666511161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4980311.

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 70666511161 in words is "seventy billion, six hundred sixty-six million, five hundred eleven thousand, one hundred sixty-one".