219161070966 has 16 divisors (see below), whose sum is σ = 438378858288. Its totient is φ = 73044237600.

The previous prime is 219161070959. The next prime is 219161070967. The reversal of 219161070966 is 669070161912.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219161070967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2312865 + ... + 2405756.

It is an arithmetic number, because the mean of its divisors is an integer number (27398678643).

Almost surely, 2^219161070966 is an apocalyptic number.

219161070966 is an abundant number, since it is smaller than the sum of its proper divisors (219217787322).

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

219161070966 is a wasteful number, since it uses less digits than its factorization.

219161070966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4726367.

The product of its (nonzero) digits is 244944, while the sum is 48.

The spelling of 219161070966 in words is "two hundred nineteen billion, one hundred sixty-one million, seventy thousand, nine hundred sixty-six".