162670872971 has 4 divisors (see below), whose sum is σ = 162726451872. Its totient is φ = 162615294072.

The previous prime is 162670872887. The next prime is 162670872983. The reversal of 162670872971 is 179278076261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 179278076261 = 67 ⋅2675792183.

It is a cyclic number.

It is not a de Polignac number, because 162670872971 - 2¹⁴ = 162670856587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162670872071) 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, 27785060 + ... + 27790913.

It is an arithmetic number, because the mean of its divisors is an integer number (40681612968).

Almost surely, 2^162670872971 is an apocalyptic number.

162670872971 is a deficient number, since it is larger than the sum of its proper divisors (55578901).

162670872971 is an equidigital number, since it uses as much as digits as its factorization.

162670872971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55578900.

The product of its (nonzero) digits is 3556224, while the sum is 56.

The spelling of 162670872971 in words is "one hundred sixty-two billion, six hundred seventy million, eight hundred seventy-two thousand, nine hundred seventy-one".