162356794478819 has 2 divisors, whose sum is σ = 162356794478820. Its totient is φ = 162356794478818.

The previous prime is 162356794478773. The next prime is 162356794478843. The reversal of 162356794478819 is 918874497653261.

162356794478819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162356794478819 is a prime.

It is a super-2 number, since 2×162356794478819² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (162356794478869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81178397239409 + 81178397239410.

It is an arithmetic number, because the mean of its divisors is an integer number (81178397239410).

Almost surely, 2^{162356794478819} is an apocalyptic number.

162356794478819 is a deficient number, since it is larger than the sum of its proper divisors (1).

162356794478819 is an equidigital number, since it uses as much as digits as its factorization.

162356794478819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4389396480, while the sum is 80.

The spelling of 162356794478819 in words is "one hundred sixty-two trillion, three hundred fifty-six billion, seven hundred ninety-four million, four hundred seventy-eight thousand, eight hundred nineteen".