164245212133426 has 8 divisors (see below), whose sum is σ = 246371169041820. Its totient is φ = 82121489119488.

The previous prime is 164245212133423. The next prime is 164245212133469. The reversal of 164245212133426 is 624331212542461.

164245212133426 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 163886057636401 + 359154497025 = 12801799^2 + 599295^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (164245212133423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558289791 + ... + 558583906.

Almost surely, 2^{164245212133426} is an apocalyptic number.

164245212133426 is a deficient number, since it is larger than the sum of its proper divisors (82125956908394).

164245212133426 is a wasteful number, since it uses less digits than its factorization.

164245212133426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116947228.

The product of its digits is 1658880, while the sum is 46.

Adding to 164245212133426 its reverse (624331212542461), we get a palindrome (788576424675887).

The spelling of 164245212133426 in words is "one hundred sixty-four trillion, two hundred forty-five billion, two hundred twelve million, one hundred thirty-three thousand, four hundred twenty-six".