70001071165 has 4 divisors (see below), whose sum is σ = 84001285404. Its totient is φ = 56000856928.

The previous prime is 70001071163. The next prime is 70001071183. The reversal of 70001071165 is 56117010007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56117010007 = 109537 ⋅512311.

It can be written as a sum of positive squares in 2 ways, for example, as 51964849764 + 18036221401 = 227958^2 + 134299^2 .

It is a cyclic number.

It is not a de Polignac number, because 70001071165 - 2¹ = 70001071163 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70001071163) 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, 7000107112 + ... + 7000107121.

It is an arithmetic number, because the mean of its divisors is an integer number (21000321351).

Almost surely, 2^70001071165 is an apocalyptic number.

It is an amenable number.

70001071165 is a deficient number, since it is larger than the sum of its proper divisors (14000214239).

70001071165 is a wasteful number, since it uses less digits than its factorization.

70001071165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14000214238.

The product of its (nonzero) digits is 1470, while the sum is 28.

The spelling of 70001071165 in words is "seventy billion, one million, seventy-one thousand, one hundred sixty-five".