172690199422 has 16 divisors (see below), whose sum is σ = 278999441280. Its totient is φ = 79692211872.

The previous prime is 172690199411. The next prime is 172690199449. The reversal of 172690199422 is 224991096271.

172690199422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 172690199422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262222 + ... + 643537.

It is an arithmetic number, because the mean of its divisors is an integer number (17437465080).

Almost surely, 2^172690199422 is an apocalyptic number.

172690199422 is a deficient number, since it is larger than the sum of its proper divisors (106309241858).

172690199422 is a wasteful number, since it uses less digits than its factorization.

172690199422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913107.

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 172690199422 in words is "one hundred seventy-two billion, six hundred ninety million, one hundred ninety-nine thousand, four hundred twenty-two".