346220017172 has 12 divisors (see below), whose sum is σ = 605889151476. Its totient is φ = 173108831040.

The previous prime is 346220017147. The next prime is 346220017189. The reversal of 346220017172 is 271710022643.

It can be written as a sum of positive squares in 2 ways, for example, as 83680604176 + 262539412996 = 289276^2 + 512386^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983438 + ... + 1288250.

It is an arithmetic number, because the mean of its divisors is an integer number (50490762623).

Almost surely, 2^346220017172 is an apocalyptic number.

It is an amenable number.

346220017172 is a deficient number, since it is larger than the sum of its proper divisors (259669134304).

346220017172 is a wasteful number, since it uses less digits than its factorization.

346220017172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588778 (or 588776 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 346220017172 in words is "three hundred forty-six billion, two hundred twenty million, seventeen thousand, one hundred seventy-two".