162186391141 has 4 divisors (see below), whose sum is σ = 162200690784. Its totient is φ = 162172091500.

The previous prime is 162186391123. The next prime is 162186391151. The reversal of 162186391141 is 141193681261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141193681261 = 23 ⋅6138855707.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162186391141 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 (162186391151) 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, 7132795 + ... + 7155496.

It is an arithmetic number, because the mean of its divisors is an integer number (40550172696).

Almost surely, 2^162186391141 is an apocalyptic number.

It is an amenable number.

162186391141 is a deficient number, since it is larger than the sum of its proper divisors (14299643).

162186391141 is a wasteful number, since it uses less digits than its factorization.

162186391141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14299642.

The product of its digits is 62208, while the sum is 43.

The spelling of 162186391141 in words is "one hundred sixty-two billion, one hundred eighty-six million, three hundred ninety-one thousand, one hundred forty-one".