164340434202122 has 32 divisors (see below), whose sum is σ = 251446087655424. Its totient is φ = 80528619787200.

The previous prime is 164340434202121. The next prime is 164340434202149. The reversal of 164340434202122 is 221202434043461.

It is not an unprimeable number, because it can be changed into a prime (164340434202121) 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, 451264247 + ... + 451628277.

It is an arithmetic number, because the mean of its divisors is an integer number (7857690239232).

Almost surely, 2^{164340434202122} is an apocalyptic number.

164340434202122 is a deficient number, since it is larger than the sum of its proper divisors (87105653453302).

164340434202122 is a wasteful number, since it uses less digits than its factorization.

164340434202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368894.

The product of its (nonzero) digits is 221184, while the sum is 38.

Adding to 164340434202122 its reverse (221202434043461), we get a palindrome (385542868245583).

The spelling of 164340434202122 in words is "one hundred sixty-four trillion, three hundred forty billion, four hundred thirty-four million, two hundred two thousand, one hundred twenty-two".