162161300999 has 2 divisors, whose sum is σ = 162161301000. Its totient is φ = 162161300998.

The previous prime is 162161300923. The next prime is 162161301031. The reversal of 162161300999 is 999003161261.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 162161300999 - 2¹⁶ = 162161235463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162161300299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81080650499 + 81080650500.

It is an arithmetic number, because the mean of its divisors is an integer number (81080650500).

Almost surely, 2^162161300999 is an apocalyptic number.

162161300999 is a deficient number, since it is larger than the sum of its proper divisors (1).

162161300999 is an equidigital number, since it uses as much as digits as its factorization.

162161300999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 47.

The spelling of 162161300999 in words is "one hundred sixty-two billion, one hundred sixty-one million, three hundred thousand, nine hundred ninety-nine".