165449719111794 has 32 divisors (see below), whose sum is σ = 356353741868544. Its totient is φ = 50907534351360.

The previous prime is 165449719111793. The next prime is 165449719111849. The reversal of 165449719111794 is 497111917944561.

165449719111794 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (165449719111793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90725407 + ... + 92531069.

It is an arithmetic number, because the mean of its divisors is an integer number (11136054433392).

Almost surely, 2^{165449719111794} is an apocalyptic number.

165449719111794 is an abundant number, since it is smaller than the sum of its proper divisors (190904022756750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165449719111794 is a wasteful number, since it uses less digits than its factorization.

165449719111794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2980402.

The product of its digits is 68584320, while the sum is 69.

The spelling of 165449719111794 in words is "one hundred sixty-five trillion, four hundred forty-nine billion, seven hundred nineteen million, one hundred eleven thousand, seven hundred ninety-four".