162084195491 has 2 divisors, whose sum is σ = 162084195492. Its totient is φ = 162084195490.

The previous prime is 162084195457. The next prime is 162084195541. The reversal of 162084195491 is 194591480261.

It is a happy number.

It is an a-pointer prime, because the next prime (162084195541) can be obtained adding 162084195491 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162084195491 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (162084195401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81042097745 + 81042097746.

It is an arithmetic number, because the mean of its divisors is an integer number (81042097746).

Almost surely, 2^162084195491 is an apocalyptic number.

162084195491 is a deficient number, since it is larger than the sum of its proper divisors (1).

162084195491 is an equidigital number, since it uses as much as digits as its factorization.

162084195491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 50.

The spelling of 162084195491 in words is "one hundred sixty-two billion, eighty-four million, one hundred ninety-five thousand, four hundred ninety-one".